142355131425522 has 12 divisors (see below), whose sum is σ = 308436118088670. Its totient is φ = 47451710475168.

The previous prime is 142355131425511. The next prime is 142355131425541. The reversal of 142355131425522 is 225524131553241.

142355131425522 is a `hidden beast` number, since 1 + 4 + 2 + 3 + 5 + 51 + 3 + 1 + 42 + 552 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 141145591181841 + 1209540243681 = 11880471^2 + 1099791^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3954309206247 + ... + 3954309206282.

Almost surely, 2^{142355131425522} is an apocalyptic number.

142355131425522 is an abundant number, since it is smaller than the sum of its proper divisors (166080986663148).

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

142355131425522 is a wasteful number, since it uses less digits than its factorization.

142355131425522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7908618412537 (or 7908618412534 counting only the distinct ones).

The product of its digits is 1440000, while the sum is 45.

Adding to 142355131425522 its reverse (225524131553241), we get a palindrome (367879262978763).

The spelling of 142355131425522 in words is "one hundred forty-two trillion, three hundred fifty-five billion, one hundred thirty-one million, four hundred twenty-five thousand, five hundred twenty-two".