15143573138 has 16 divisors (see below), whose sum is σ = 22818818880. Its totient is φ = 7537343856.

The previous prime is 15143573069. The next prime is 15143573143. The reversal of 15143573138 is 83137534151.

It is a junction number, because it is equal to n+sod(n) for n = 15143573095 and 15143573104.

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, 741581 + ... + 761727.

It is an arithmetic number, because the mean of its divisors is an integer number (1426176180).

Almost surely, 2^15143573138 is an apocalyptic number.

15143573138 is a deficient number, since it is larger than the sum of its proper divisors (7675245742).

15143573138 is a wasteful number, since it uses less digits than its factorization.

15143573138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21841.

The product of its digits is 151200, while the sum is 41.

The spelling of 15143573138 in words is "fifteen billion, one hundred forty-three million, five hundred seventy-three thousand, one hundred thirty-eight".