15242252 has 6 divisors (see below), whose sum is σ = 26673948. Its totient is φ = 7621124.

The previous prime is 15242239. The next prime is 15242281. The reversal of 15242252 is 25224251.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1905278 + ... + 1905285.

It is an arithmetic number, because the mean of its divisors is an integer number (4445658).

Almost surely, 2^15242252 is an apocalyptic number.

It is an amenable number.

15242252 is a deficient number, since it is larger than the sum of its proper divisors (11431696).

15242252 is a wasteful number, since it uses less digits than its factorization.

15242252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3810567 (or 3810565 counting only the distinct ones).

The product of its digits is 1600, while the sum is 23.

The square root of 15242252 is about 3904.1326821715. The cubic root of 15242252 is about 247.9417787366.

The spelling of 15242252 in words is "fifteen million, two hundred forty-two thousand, two hundred fifty-two".