15542252 has 24 divisors (see below), whose sum is σ = 30179520. Its totient is φ = 6943760.

The previous prime is 15542207. The next prime is 15542269. The reversal of 15542252 is 25224551.

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, 398 + ... + 5589.

It is an arithmetic number, because the mean of its divisors is an integer number (1257480).

Almost surely, 2^15542252 is an apocalyptic number.

It is an amenable number.

15542252 is a deficient number, since it is larger than the sum of its proper divisors (14637268).

15542252 is a wasteful number, since it uses less digits than its factorization.

15542252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6061 (or 6059 counting only the distinct ones).

The product of its digits is 4000, while the sum is 26.

The square root of 15542252 is about 3942.3662944988. The cubic root of 15542252 is about 249.5578959703.

The spelling of 15542252 in words is "fifteen million, five hundred forty-two thousand, two hundred fifty-two".