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144448356 = 2231335479
BaseRepresentation
bin10001001110000…
…01101101100100
3101001210201220010
420213001231210
5243434321411
622200010220
73402535143
oct1047015544
9331721803
10144448356
11745a0208
1240460970
1323c07000
141528175a
15ca347a6
hex89c1b64

144448356 has 48 divisors (see below), whose sum is σ = 365187200. Its totient is φ = 44437536.

The previous prime is 144448327. The next prime is 144448361. The reversal of 144448356 is 653844441.

It is a super-2 number, since 2×1444483562 = 41730655102205472, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

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, 23625 + ... + 29103.

Almost surely, 2144448356 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144448356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182593600).

144448356 is an abundant number, since it is smaller than the sum of its proper divisors (220738844).

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

144448356 is a wasteful number, since it uses less digits than its factorization.

144448356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5525 (or 5497 counting only the distinct ones).

The product of its digits is 184320, while the sum is 39.

The square root of 144448356 is about 12018.6669809925. Note that the first 3 decimals coincide. The cubic root of 144448356 is about 524.6917083421.

The spelling of 144448356 in words is "one hundred forty-four million, four hundred forty-eight thousand, three hundred fifty-six".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 169 338 507 676 1014 2028 2197 4394 5479 6591 8788 10958 13182 16437 21916 26364 32874 65748 71227 142454 213681 284908 427362 854724 925951 1851902 2777853 3703804 5555706 11111412 12037363 24074726 36112089 48149452 72224178 144448356