15149227902 has 32 divisors (see below), whose sum is σ = 30396280320. Its totient is φ = 5033467200.

The previous prime is 15149227871. The next prime is 15149227903. The reversal of 15149227902 is 20972294151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15149227903) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2589793 + ... + 2595635.

It is an arithmetic number, because the mean of its divisors is an integer number (949883760).

Almost surely, 2^15149227902 is an apocalyptic number.

15149227902 is an abundant number, since it is smaller than the sum of its proper divisors (15247052418).

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

15149227902 is a wasteful number, since it uses less digits than its factorization.

15149227902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7168.

The product of its (nonzero) digits is 90720, while the sum is 42.

The spelling of 15149227902 in words is "fifteen billion, one hundred forty-nine million, two hundred twenty-seven thousand, nine hundred two".