115542402 has 8 divisors (see below), whose sum is σ = 231084816. Its totient is φ = 38514132.

The previous prime is 115542377. The next prime is 115542431. The reversal of 115542402 is 204245511.

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

115542402 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9628528 + ... + 9628539.

It is an arithmetic number, because the mean of its divisors is an integer number (28885602).

Almost surely, 2^115542402 is an apocalyptic number.

115542402 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

115542402 is a wasteful number, since it uses less digits than its factorization.

115542402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19257072.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 115542402 is about 10749.0651686554. The cubic root of 115542402 is about 487.0577564609.

Adding to 115542402 its reverse (204245511), we get a palindrome (319787913).

The spelling of 115542402 in words is "one hundred fifteen million, five hundred forty-two thousand, four hundred two".