115378242 has 24 divisors (see below), whose sum is σ = 268431696. Its totient is φ = 32965128.

The previous prime is 115378229. The next prime is 115378253. The reversal of 115378242 is 242873511.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 195928 + ... + 196515.

It is an arithmetic number, because the mean of its divisors is an integer number (11184654).

Almost surely, 2^115378242 is an apocalyptic number.

115378242 is an abundant number, since it is smaller than the sum of its proper divisors (153053454).

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

115378242 is a wasteful number, since it uses less digits than its factorization.

115378242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392462 (or 392455 counting only the distinct ones).

The product of its digits is 13440, while the sum is 33.

The square root of 115378242 is about 10741.4264415859. The cubic root of 115378242 is about 486.8269802953.

The spelling of 115378242 in words is "one hundred fifteen million, three hundred seventy-eight thousand, two hundred forty-two".