115542544 has 80 divisors (see below), whose sum is σ = 251983872. Its totient is φ = 50978304.

The previous prime is 115542533. The next prime is 115542563. The reversal of 115542544 is 445245511.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 518017 + ... + 518239.

Almost surely, 2^115542544 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 115542544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125991936).

115542544 is an abundant number, since it is smaller than the sum of its proper divisors (136441328).

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

115542544 is a wasteful number, since it uses less digits than its factorization.

115542544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344 (or 338 counting only the distinct ones).

The product of its digits is 16000, while the sum is 31.

The square root of 115542544 is about 10749.0717738789. The cubic root of 115542544 is about 487.0579559898.

The spelling of 115542544 in words is "one hundred fifteen million, five hundred forty-two thousand, five hundred forty-four".