Factors / Factors of 144

Factors of 144

1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144

144 is a perfect square (12² = 144); that gives 144 an odd 15-divisor count, since only 12 pairs with itself. 144's full pair list is (1, 144), (2, 72), (3, 48), (4, 36), (6, 24), (8, 18), (9, 16), (12, 12), for 15 divisors in total. 144's divisors other than 144 itself sum to 259, 115 above 144: abundant. 144 is even, digit sum 9 for 144; small divisors of 144 include 2, 3, 4, 6, 8. 144 has 15 divisors; 143 has 4 and 145 has 4, so 144 wins here. 144 divided by its largest divisor, 72, gives 2.