15142492 has 6 divisors (see below), whose sum is σ = 26499368. Its totient is φ = 7571244.

The previous prime is 15142447. The next prime is 15142499. The reversal of 15142492 is 29424151.

It is a self number, because there is not a number n which added to its sum of digits gives 15142492.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15142499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1892808 + ... + 1892815.

Almost surely, 2^15142492 is an apocalyptic number.

It is an amenable number.

15142492 is a deficient number, since it is larger than the sum of its proper divisors (11356876).

15142492 is a wasteful number, since it uses less digits than its factorization.

15142492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3785627 (or 3785625 counting only the distinct ones).

The product of its digits is 2880, while the sum is 28.

The square root of 15142492 is about 3891.3355033973. The cubic root of 15142492 is about 247.3996709292.

The spelling of 15142492 in words is "fifteen million, one hundred forty-two thousand, four hundred ninety-two".