15142268 has 12 divisors (see below), whose sum is σ = 26894952. Its totient is φ = 7458000.

The previous prime is 15142249. The next prime is 15142273. The reversal of 15142268 is 86224151.

It is a self number, because there is not a number n which added to its sum of digits gives 15142268.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27983 + ... + 28518.

It is an arithmetic number, because the mean of its divisors is an integer number (2241246).

Almost surely, 2^15142268 is an apocalyptic number.

It is an amenable number.

15142268 is a deficient number, since it is larger than the sum of its proper divisors (11752684).

15142268 is a wasteful number, since it uses less digits than its factorization.

15142268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56572 (or 56570 counting only the distinct ones).

The product of its digits is 3840, while the sum is 29.

The square root of 15142268 is about 3891.3067213984. The cubic root of 15142268 is about 247.3984510111.

The spelling of 15142268 in words is "fifteen million, one hundred forty-two thousand, two hundred sixty-eight".