142321215554164 has 12 divisors (see below), whose sum is σ = 249847812165924. Its totient is φ = 70936126363904.

The previous prime is 142321215554117. The next prime is 142321215554257. The reversal of 142321215554164 is 461455512123241.

142321215554164 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 85978477361764 + 56342738192400 = 9272458^2 + 7506180^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56120351869 + ... + 56120354404.

It is an arithmetic number, because the mean of its divisors is an integer number (20820651013827).

Almost surely, 2^{142321215554164} is an apocalyptic number.

It is an amenable number.

142321215554164 is a deficient number, since it is larger than the sum of its proper divisors (107526596611760).

142321215554164 is a wasteful number, since it uses less digits than its factorization.

142321215554164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112240706594 (or 112240706592 counting only the distinct ones).

The product of its digits is 1152000, while the sum is 46.

The spelling of 142321215554164 in words is "one hundred forty-two trillion, three hundred twenty-one billion, two hundred fifteen million, five hundred fifty-four thousand, one hundred sixty-four".