115157180 has 24 divisors (see below), whose sum is σ = 242760672. Its totient is φ = 45885632.

The previous prime is 115157177. The next prime is 115157213. The reversal of 115157180 is 81751511.

It is a happy number.

It is a super-2 number, since 2×115157180² = 26522352211104800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5687 + ... + 16206.

It is an arithmetic number, because the mean of its divisors is an integer number (10115028).

Almost surely, 2^115157180 is an apocalyptic number.

115157180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115157180 is an abundant number, since it is smaller than the sum of its proper divisors (127603492).

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

115157180 is a wasteful number, since it uses less digits than its factorization.

115157180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22165 (or 22163 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 29.

The square root of 115157180 is about 10731.1313476259. The cubic root of 115157180 is about 486.5158651633.

The spelling of 115157180 in words is "one hundred fifteen million, one hundred fifty-seven thousand, one hundred eighty".