15115042 has 16 divisors (see below), whose sum is σ = 23595264. Its totient is φ = 7254000.

The previous prime is 15115039. The next prime is 15115043. The reversal of 15115042 is 24051151.

It is not an unprimeable number, because it can be changed into a prime (15115043) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 7192 + ... + 9052.

It is an arithmetic number, because the mean of its divisors is an integer number (1474704).

Almost surely, 2^15115042 is an apocalyptic number.

15115042 is a deficient number, since it is larger than the sum of its proper divisors (8480222).

15115042 is a wasteful number, since it uses less digits than its factorization.

15115042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2025.

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 15115042 is about 3887.8068367654. The cubic root of 15115042 is about 247.2500868161.

Adding to 15115042 its reverse (24051151), we get a palindrome (39166193).

The spelling of 15115042 in words is "fifteen million, one hundred fifteen thousand, forty-two".