115572280 has 32 divisors (see below), whose sum is σ = 262621440. Its totient is φ = 45769600.

The previous prime is 115572257. The next prime is 115572311. The reversal of 115572280 is 82275511.

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, 10264 + ... + 18343.

It is an arithmetic number, because the mean of its divisors is an integer number (8206920).

Almost surely, 2^115572280 is an apocalyptic number.

115572280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115572280 is an abundant number, since it is smaller than the sum of its proper divisors (147049160).

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

115572280 is a wasteful number, since it uses less digits than its factorization.

115572280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28719 (or 28715 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 31.

The square root of 115572280 is about 10750.4548740972. The cubic root of 115572280 is about 487.0997354435.

The spelling of 115572280 in words is "one hundred fifteen million, five hundred seventy-two thousand, two hundred eighty".