115388242 has 8 divisors (see below), whose sum is σ = 173264256. Its totient is φ = 57633492.

The previous prime is 115388201. The next prime is 115388321. The reversal of 115388242 is 242883511.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 115388198 and 115388207.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27898 + ... + 31765.

It is an arithmetic number, because the mean of its divisors is an integer number (21658032).

Almost surely, 2^115388242 is an apocalyptic number.

115388242 is a deficient number, since it is larger than the sum of its proper divisors (57876014).

115388242 is an equidigital number, since it uses as much as digits as its factorization.

115388242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60632.

The product of its digits is 15360, while the sum is 34.

The square root of 115388242 is about 10741.8919190243. The cubic root of 115388242 is about 486.8410445564.

The spelling of 115388242 in words is "one hundred fifteen million, three hundred eighty-eight thousand, two hundred forty-two".