115544990 has 48 divisors (see below), whose sum is σ = 235170000. Its totient is φ = 40535040.

The previous prime is 115544987. The next prime is 115545007. The reversal of 115544990 is 99445511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 91886 + ... + 93134.

It is an arithmetic number, because the mean of its divisors is an integer number (4899375).

Almost surely, 2^115544990 is an apocalyptic number.

115544990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115544990 is an abundant number, since it is smaller than the sum of its proper divisors (119625010).

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

115544990 is a wasteful number, since it uses less digits than its factorization.

115544990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1325 (or 1296 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 38.

The square root of 115544990 is about 10749.1855505429. The cubic root of 115544990 is about 487.0613929211.

The spelling of 115544990 in words is "one hundred fifteen million, five hundred forty-four thousand, nine hundred ninety".