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144553244 = 2211171491297
BaseRepresentation
bin10001001110110…
…11010100011100
3101002000001202212
420213123110130
5244001200434
622202135552
73403453013
oct1047332434
9332001685
10144553244
1174661aa0
12404b15b8
1323c42984
14152aba7a
15ca558ce
hex89db51c

144553244 has 48 divisors (see below), whose sum is σ = 294386400. Its totient is φ = 61378560.

The previous prime is 144553181. The next prime is 144553259. The reversal of 144553244 is 442355441.

144553244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 144553244.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110804 + ... + 112100.

It is an arithmetic number, because the mean of its divisors is an integer number (6133050).

Almost surely, 2144553244 is an apocalyptic number.

It is an amenable number.

144553244 is an abundant number, since it is smaller than the sum of its proper divisors (149833156).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144553244 is a wasteful number, since it uses less digits than its factorization.

144553244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1478 (or 1476 counting only the distinct ones).

The product of its digits is 38400, while the sum is 32.

The square root of 144553244 is about 12023.0297346384. The cubic root of 144553244 is about 524.8186754009.

The spelling of 144553244 in words is "one hundred forty-four million, five hundred fifty-three thousand, two hundred forty-four".

Divisors: 1 2 4 11 17 22 34 44 68 149 187 298 374 596 748 1297 1639 2533 2594 3278 5066 5188 6556 10132 14267 22049 27863 28534 44098 55726 57068 88196 111452 193253 242539 386506 485078 773012 970156 2125783 3285301 4251566 6570602 8503132 13141204 36138311 72276622 144553244