115140944 has 40 divisors (see below), whose sum is σ = 240317952. Its totient is φ = 53285760.

The previous prime is 115140943. The next prime is 115140947. The reversal of 115140944 is 449041511.

It is a super-2 number, since 2×115140944² = 26514873970422272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115140943) 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, 6362 + ... + 16454.

Almost surely, 2^115140944 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 115140944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120158976).

115140944 is an abundant number, since it is smaller than the sum of its proper divisors (125177008).

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

115140944 is a wasteful number, since it uses less digits than its factorization.

115140944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10155 (or 10149 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 115140944 is about 10730.3748303589. The cubic root of 115140944 is about 486.4929994799.

The spelling of 115140944 in words is "one hundred fifteen million, one hundred forty thousand, nine hundred forty-four".