157552272 has 60 divisors (see below), whose sum is σ = 450328320. Its totient is φ = 51397824.

The previous prime is 157552267. The next prime is 157552393. The reversal of 157552272 is 272255751.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4872 + ... + 18407.

It is an arithmetic number, because the mean of its divisors is an integer number (7505472).

Almost surely, 2^157552272 is an apocalyptic number.

157552272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

157552272 is an abundant number, since it is smaller than the sum of its proper divisors (292776048).

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

157552272 is a wasteful number, since it uses less digits than its factorization.

157552272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23340 (or 23331 counting only the distinct ones).

The product of its digits is 49000, while the sum is 36.

The square root of 157552272 is about 12551.9827915752. The cubic root of 157552272 is about 540.1008865003.

The spelling of 157552272 in words is "one hundred fifty-seven million, five hundred fifty-two thousand, two hundred seventy-two".