15475347142 has 32 divisors (see below), whose sum is σ = 23899138560. Its totient is φ = 7511343840.

The previous prime is 15475347127. The next prime is 15475347211. The reversal of 15475347142 is 24174357451.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18015109 + ... + 18015967.

It is an arithmetic number, because the mean of its divisors is an integer number (746848080).

Almost surely, 2^15475347142 is an apocalyptic number.

15475347142 is a deficient number, since it is larger than the sum of its proper divisors (8423791418).

15475347142 is a wasteful number, since it uses less digits than its factorization.

15475347142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1948.

The product of its digits is 470400, while the sum is 43.

The spelling of 15475347142 in words is "fifteen billion, four hundred seventy-five million, three hundred forty-seven thousand, one hundred forty-two".