157515272 has 16 divisors (see below), whose sum is σ = 295477740. Its totient is φ = 78721216.

The previous prime is 157515271. The next prime is 157515313. The reversal of 157515272 is 272515751.

It can be written as a sum of positive squares in 2 ways, for example, as 155401156 + 2114116 = 12466^2 + 1454^2 .

It is a super-2 number, since 2×157515272² = 49622121826467968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (157515271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25478 + ... + 31050.

Almost surely, 2^157515272 is an apocalyptic number.

It is an amenable number.

157515272 is a deficient number, since it is larger than the sum of its proper divisors (137962468).

157515272 is a wasteful number, since it uses less digits than its factorization.

157515272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9112 (or 9108 counting only the distinct ones).

The product of its digits is 24500, while the sum is 35.

The square root of 157515272 is about 12550.5088343063. The cubic root of 157515272 is about 540.0586036078.

The spelling of 157515272 in words is "one hundred fifty-seven million, five hundred fifteen thousand, two hundred seventy-two".