115717442 has 12 divisors (see below), whose sum is σ = 176219190. Its totient is φ = 56990736.

The previous prime is 115717387. The next prime is 115717471. The reversal of 115717442 is 244717511.

It can be written as a sum of positive squares in only one way, i.e., 91795561 + 23921881 = 9581^2 + 4891^2 .

It is a junction number, because it is equal to n+sod(n) for n = 115717399 and 115717408.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2534 + ... + 15422.

Almost surely, 2^115717442 is an apocalyptic number.

115717442 is a deficient number, since it is larger than the sum of its proper divisors (60501748).

115717442 is an equidigital number, since it uses as much as digits as its factorization.

115717442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13025 (or 12958 counting only the distinct ones).

The product of its digits is 7840, while the sum is 32.

The square root of 115717442 is about 10757.2041906808. The cubic root of 115717442 is about 487.3035870607.

The spelling of 115717442 in words is "one hundred fifteen million, seven hundred seventeen thousand, four hundred forty-two".