115457730 has 16 divisors (see below), whose sum is σ = 277098624. Its totient is φ = 30788720.

The previous prime is 115457717. The next prime is 115457753. The reversal of 115457730 is 37754511.

It is a junction number, because it is equal to n+sod(n) for n = 115457691 and 115457700.

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, 1924266 + ... + 1924325.

It is an arithmetic number, because the mean of its divisors is an integer number (17318664).

Almost surely, 2^115457730 is an apocalyptic number.

115457730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115457730 is an abundant number, since it is smaller than the sum of its proper divisors (161640894).

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

115457730 is a wasteful number, since it uses less digits than its factorization.

115457730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3848601.

The product of its (nonzero) digits is 14700, while the sum is 33.

The square root of 115457730 is about 10745.1258717616. The cubic root of 115457730 is about 486.9387518598.

The spelling of 115457730 in words is "one hundred fifteen million, four hundred fifty-seven thousand, seven hundred thirty".