15157145238 has 16 divisors (see below), whose sum is σ = 31133596080. Its totient is φ = 4915830816.

The previous prime is 15157145219. The next prime is 15157145261. The reversal of 15157145238 is 83254175151.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 15157145238.

It is a congruent number.

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, 34137493 + ... + 34137936.

It is an arithmetic number, because the mean of its divisors is an integer number (1945849755).

Almost surely, 2^15157145238 is an apocalyptic number.

15157145238 is an abundant number, since it is smaller than the sum of its proper divisors (15976450842).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15157145238 is a wasteful number, since it uses less digits than its factorization.

15157145238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68275471.

The product of its digits is 168000, while the sum is 42.

The spelling of 15157145238 in words is "fifteen billion, one hundred fifty-seven million, one hundred forty-five thousand, two hundred thirty-eight".