15142210454 has 32 divisors (see below), whose sum is σ = 27492229440. Its totient is φ = 6106180608.

The previous prime is 15142210453. The next prime is 15142210507. The reversal of 15142210454 is 45401224151.

It is a happy number.

It is a super-2 number, since 2×15142210454² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15142210451) 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, 1398092 + ... + 1408880.

It is an arithmetic number, because the mean of its divisors is an integer number (859132170).

Almost surely, 2^15142210454 is an apocalyptic number.

15142210454 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

15142210454 is a deficient number, since it is larger than the sum of its proper divisors (12350018986).

15142210454 is a wasteful number, since it uses less digits than its factorization.

15142210454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16712.

The product of its (nonzero) digits is 6400, while the sum is 29.

The spelling of 15142210454 in words is "fifteen billion, one hundred forty-two million, two hundred ten thousand, four hundred fifty-four".