115528572 has 48 divisors (see below), whose sum is σ = 300115200. Its totient is φ = 38432880.

The previous prime is 115528561. The next prime is 115528579. The reversal of 115528572 is 275825511.

115528572 is a `hidden beast` number, since 11 + 55 + 28 + 572 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115528579) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86929 + ... + 88247.

It is an arithmetic number, because the mean of its divisors is an integer number (6252400).

Almost surely, 2^115528572 is an apocalyptic number.

115528572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

115528572 is an abundant number, since it is smaller than the sum of its proper divisors (184586628).

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

115528572 is a wasteful number, since it uses less digits than its factorization.

115528572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2143 (or 2135 counting only the distinct ones).

The product of its digits is 28000, while the sum is 36.

The square root of 115528572 is about 10748.4218376467. The cubic root of 115528572 is about 487.0383226789.

The spelling of 115528572 in words is "one hundred fifteen million, five hundred twenty-eight thousand, five hundred seventy-two".