15142550454 has 64 divisors (see below), whose sum is σ = 36117766080. Its totient is φ = 4685506560.

The previous prime is 15142550407. The next prime is 15142550497. The reversal of 15142550454 is 45405524151.

15142550454 is a `hidden beast` number, since 1 + 5 + 142 + 5 + 504 + 5 + 4 = 666.

It is a super-2 number, since 2×15142550454² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45967 + ... + 179994.

It is an arithmetic number, because the mean of its divisors is an integer number (564340095).

Almost surely, 2^15142550454 is an apocalyptic number.

15142550454 is an abundant number, since it is smaller than the sum of its proper divisors (20975215626).

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

15142550454 is a wasteful number, since it uses less digits than its factorization.

15142550454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226062 (or 226056 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 36.

The spelling of 15142550454 in words is "fifteen billion, one hundred forty-two million, five hundred fifty thousand, four hundred fifty-four".