115442542 has 16 divisors (see below), whose sum is σ = 177488640. Its totient is φ = 56297592.

The previous prime is 115442519. The next prime is 115442549. The reversal of 115442542 is 245244511.

It is a self number, because there is not a number n which added to its sum of digits gives 115442542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115442549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8713 + ... + 17515.

It is an arithmetic number, because the mean of its divisors is an integer number (11093040).

Almost surely, 2^115442542 is an apocalyptic number.

115442542 is a deficient number, since it is larger than the sum of its proper divisors (62046098).

115442542 is an equidigital number, since it uses as much as digits as its factorization.

115442542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8967.

The product of its digits is 6400, while the sum is 28.

The square root of 115442542 is about 10744.4191094726. The cubic root of 115442542 is about 486.9173993121.

The spelling of 115442542 in words is "one hundred fifteen million, four hundred forty-two thousand, five hundred forty-two".