15045015402 has 96 divisors (see below), whose sum is σ = 34805272320. Its totient is φ = 4680529920.

The previous prime is 15045015379. The next prime is 15045015421. The reversal of 15045015402 is 20451054051.

15045015402 is a `hidden beast` number, since 1 + 504 + 5 + 0 + 154 + 0 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 34745778 + ... + 34746210.

It is an arithmetic number, because the mean of its divisors is an integer number (362554920).

Almost surely, 2^15045015402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15045015402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17402636160).

15045015402 is an abundant number, since it is smaller than the sum of its proper divisors (19760256918).

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

15045015402 is a wasteful number, since it uses less digits than its factorization.

15045015402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1148 (or 1145 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

Adding to 15045015402 its reverse (20451054051), we get a palindrome (35496069453).

The spelling of 15045015402 in words is "fifteen billion, forty-five million, fifteen thousand, four hundred two".