115237830 has 16 divisors (see below), whose sum is σ = 276570864. Its totient is φ = 30730080.

The previous prime is 115237799. The next prime is 115237891. The reversal of 115237830 is 38732511.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 3841261 = 115237830 / (1 + 1 + 5 + 2 + 3 + 7 + 8 + 3 + 0).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1920601 + ... + 1920660.

It is an arithmetic number, because the mean of its divisors is an integer number (17285679).

Almost surely, 2^115237830 is an apocalyptic number.

115237830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115237830 is an abundant number, since it is smaller than the sum of its proper divisors (161333034).

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

115237830 is a wasteful number, since it uses less digits than its factorization.

115237830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3841271.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 115237830 is about 10734.8884484190. Note that the first 3 decimals coincide. The cubic root of 115237830 is about 486.6294153218.

The spelling of 115237830 in words is "one hundred fifteen million, two hundred thirty-seven thousand, eight hundred thirty".