142971563802 has 32 divisors (see below), whose sum is σ = 292091500800. Its totient is φ = 46632907008.

The previous prime is 142971563789. The next prime is 142971563821. The reversal of 142971563802 is 208365179241.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1279974 + ... + 1387182.

It is an arithmetic number, because the mean of its divisors is an integer number (9127859400).

It is a 2-persistent number, because it is pandigital, and so is 2⋅142971563802 = 285943127604, but 3⋅142971563802 = 428914691406 is not.

Almost surely, 2^142971563802 is an apocalyptic number.

142971563802 is an abundant number, since it is smaller than the sum of its proper divisors (149119936998).

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

142971563802 is a wasteful number, since it uses less digits than its factorization.

142971563802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111990.

The product of its (nonzero) digits is 725760, while the sum is 48.

The spelling of 142971563802 in words is "one hundred forty-two billion, nine hundred seventy-one million, five hundred sixty-three thousand, eight hundred two".