15144542992 has 40 divisors (see below), whose sum is σ = 29440990656. Its totient is φ = 7546920576.

The previous prime is 15144542981. The next prime is 15144543023. The reversal of 15144542992 is 29924544151.

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, 8198613 + ... + 8200459.

Almost surely, 2^15144542992 is an apocalyptic number.

It is an amenable number.

15144542992 is a deficient number, since it is larger than the sum of its proper divisors (14296447664).

15144542992 is a wasteful number, since it uses less digits than its factorization.

15144542992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3295 (or 3289 counting only the distinct ones).

The product of its digits is 518400, while the sum is 46.

The spelling of 15144542992 in words is "fifteen billion, one hundred forty-four million, five hundred forty-two thousand, nine hundred ninety-two".