142400974789888 has 36 divisors (see below), whose sum is σ = 284905198767168. Its totient is φ = 71035288993280.

The previous prime is 142400974789849. The next prime is 142400974789901. The reversal of 142400974789888 is 888987479004241.

It is a super-2 number, since 2×142400974789888² (a number of 29 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 (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 645195706 + ... + 645416377.

It is an arithmetic number, because the mean of its divisors is an integer number (7914033299088).

Almost surely, 2^{142400974789888} is an apocalyptic number.

It is an amenable number.

142400974789888 is an abundant number, since it is smaller than the sum of its proper divisors (142504223977280).

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

142400974789888 is an equidigital number, since it uses as much as digits as its factorization.

142400974789888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1290612530 (or 1290612516 counting only the distinct ones).

The product of its (nonzero) digits is 2080899072, while the sum is 79.

The spelling of 142400974789888 in words is "one hundred forty-two trillion, four hundred billion, nine hundred seventy-four million, seven hundred eighty-nine thousand, eight hundred eighty-eight".