15002050454 has 4 divisors (see below), whose sum is σ = 22503075684. Its totient is φ = 7501025226.

The previous prime is 15002050447. The next prime is 15002050477. The reversal of 15002050454 is 45405020051.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×15002050454² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3750512612 + ... + 3750512615.

It is an arithmetic number, because the mean of its divisors is an integer number (5625768921).

Almost surely, 2^15002050454 is an apocalyptic number.

15002050454 is a deficient number, since it is larger than the sum of its proper divisors (7501025230).

15002050454 is an equidigital number, since it uses as much as digits as its factorization.

15002050454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7501025229.

The product of its (nonzero) digits is 4000, while the sum is 26.

The spelling of 15002050454 in words is "fifteen billion, two million, fifty thousand, four hundred fifty-four".