115547432 has 128 divisors (see below), whose sum is σ = 298045440. Its totient is φ = 40538880.

The previous prime is 115547413. The next prime is 115547437. The reversal of 115547432 is 234745511.

It is not an unprimeable number, because it can be changed into a prime (115547437) 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 31 ways as a sum of consecutive naturals, for example, 376223 + ... + 376529.

It is an arithmetic number, because the mean of its divisors is an integer number (2328480).

Almost surely, 2^115547432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115547432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149022720).

115547432 is an abundant number, since it is smaller than the sum of its proper divisors (182498008).

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

115547432 is a wasteful number, since it uses less digits than its factorization.

115547432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391 (or 387 counting only the distinct ones).

The product of its digits is 16800, while the sum is 32.

The square root of 115547432 is about 10749.2991399440. The cubic root of 115547432 is about 487.0648241835.

The spelling of 115547432 in words is "one hundred fifteen million, five hundred forty-seven thousand, four hundred thirty-two".