15715042 has 16 divisors (see below), whose sum is σ = 27869760. Its totient is φ = 6502608.

The previous prime is 15715031. The next prime is 15715057. The reversal of 15715042 is 24051751.

It is a junction number, because it is equal to n+sod(n) for n = 15714998 and 15715016.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18948 + ... + 19759.

It is an arithmetic number, because the mean of its divisors is an integer number (1741860).

Almost surely, 2^15715042 is an apocalyptic number.

15715042 is a deficient number, since it is larger than the sum of its proper divisors (12154718).

15715042 is a wasteful number, since it uses less digits than its factorization.

15715042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38745.

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 15715042 is about 3964.2202259713. The cubic root of 15715042 is about 250.4793044816.

Adding to 15715042 its reverse (24051751), we get a palindrome (39766793).

The spelling of 15715042 in words is "fifteen million, seven hundred fifteen thousand, forty-two".