even, composite, perfect square, Fibonacci · 144th positive integer
The number 144
144 is an even composite number. It's known as a gross (12 dozen) and 12 squared. It is the 144th positive integer.
Quick reference
| Prime factorization | 2 × 2 × 2 × 2 × 3 × 3 |
| Divisors | 1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144 |
| Binary | 10010000 |
| Hexadecimal | 0x90 |
| Roman numeral | CXLIV |
| Digit sum | 9 |
| Properties | even, composite, perfect square, Fibonacci |
Why 144 is notable
A gross (12 dozen) and 12 squared.
Reading 144 in NumGrid context
For 144, the underlying data on this page comes from classical number theory plus NumGrid solver-derived puzzle statistics. The breakdown above is the federal record; the paragraphs below add the per-entity context that makes the headline numbers usable for a real decision rather than just a data lookup.
The methodology behind every numeric value on this page is publicly documented on the classical number theory plus NumGrid solver-derived puzzle statistics portal and described in detail on this site’s methodology page. Refresh cadence varies by underlying series; the page surfaces the as-of date for each number so readers can trace any figure back to the source release.
Practical use of this page is in combination with the comparison and ranking pages elsewhere on the site, which surface the same data for 144’s peers within positive integers within the NumGrid target pool. A single-entity reading without peer context can be misleading when an entity is an outlier on one axis but typical on another.
Frequently asked
Is 144 a prime number?
No. 144 is composite. Its prime factorization is 2 × 2 × 2 × 2 × 3 × 3.
What are the factors of 144?
The factors (divisors) of 144 are 1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144.
What is 144 in binary?
144 in binary is 10010000. In hexadecimal it's 90.
What is 144 as a Roman numeral?
144 in Roman numerals is CXLIV.
What's the digit sum of 144?
Adding the digits of 144: 1 + 4 + 4 = 9.