15056242 has 4 divisors (see below), whose sum is σ = 22584366. Its totient is φ = 7528120.

The previous prime is 15056213. The next prime is 15056281. The reversal of 15056242 is 24265051.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 12809241 + 2247001 = 3579^2 + 1499^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3764059 + ... + 3764062.

Almost surely, 2^15056242 is an apocalyptic number.

15056242 is a deficient number, since it is larger than the sum of its proper divisors (7528124).

15056242 is an equidigital number, since it uses as much as digits as its factorization.

15056242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7528123.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 15056242 is about 3880.2373638735. The cubic root of 15056242 is about 246.9290556630.

The spelling of 15056242 in words is "fifteen million, fifty-six thousand, two hundred forty-two".