15429523144854 has 96 divisors (see below), whose sum is σ = 38659822671456. Its totient is φ = 4069194554880.

The previous prime is 15429523144801. The next prime is 15429523144921. The reversal of 15429523144854 is 45844132592451.

It is a junction number, because it is equal to n+sod(n) for n = 15429523144794 and 15429523144803.

It is a congruent number.

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, 202287084 + ... + 202363344.

It is an arithmetic number, because the mean of its divisors is an integer number (402706486161).

Almost surely, 2^{15429523144854} is an apocalyptic number.

15429523144854 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

15429523144854 is an abundant number, since it is smaller than the sum of its proper divisors (23230299526602).

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

15429523144854 is a wasteful number, since it uses less digits than its factorization.

15429523144854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129230 (or 129223 counting only the distinct ones).

The product of its digits is 27648000, while the sum is 57.

The spelling of 15429523144854 in words is "fifteen trillion, four hundred twenty-nine billion, five hundred twenty-three million, one hundred forty-four thousand, eight hundred fifty-four".