115542532 has 24 divisors (see below), whose sum is σ = 235005120. Its totient is φ = 48678240.

The previous prime is 115542509. The next prime is 115542533. The reversal of 115542532 is 235245511.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 115542532.

It is not an unprimeable number, because it can be changed into a prime (115542533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33319 + ... + 36622.

It is an arithmetic number, because the mean of its divisors is an integer number (9791880).

Almost surely, 2^115542532 is an apocalyptic number.

It is an amenable number.

115542532 is an abundant number, since it is smaller than the sum of its proper divisors (119462588).

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

115542532 is a wasteful number, since it uses less digits than its factorization.

115542532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70011 (or 70009 counting only the distinct ones).

The product of its digits is 6000, while the sum is 28.

The square root of 115542532 is about 10749.0712156911. The cubic root of 115542532 is about 487.0579391282.

The spelling of 115542532 in words is "one hundred fifteen million, five hundred forty-two thousand, five hundred thirty-two".