15478083146 has 32 divisors (see below), whose sum is σ = 24389468928. Its totient is φ = 7359528960.

The previous prime is 15478083139. The next prime is 15478083157. The reversal of 15478083146 is 64138087451.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a self number, because there is not a number n which added to its sum of digits gives 15478083146.

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, 770186 + ... + 790026.

It is an arithmetic number, because the mean of its divisors is an integer number (762170904).

Almost surely, 2^15478083146 is an apocalyptic number.

15478083146 is a deficient number, since it is larger than the sum of its proper divisors (8911385782).

15478083146 is a wasteful number, since it uses less digits than its factorization.

15478083146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20126.

The product of its (nonzero) digits is 645120, while the sum is 47.

The spelling of 15478083146 in words is "fifteen billion, four hundred seventy-eight million, eighty-three thousand, one hundred forty-six".