142355221535656 has 64 divisors (see below), whose sum is σ = 296712380966400. Its totient is φ = 63722515843008.

The previous prime is 142355221535563. The next prime is 142355221535701. The reversal of 142355221535656 is 656535122553241.

It is a junction number, because it is equal to n+sod(n) for n = 142355221535597 and 142355221535606.

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, 245007766 + ... + 245588101.

It is an arithmetic number, because the mean of its divisors is an integer number (4636130952600).

Almost surely, 2^{142355221535656} is an apocalyptic number.

It is an amenable number.

142355221535656 is an abundant number, since it is smaller than the sum of its proper divisors (154357159430744).

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

142355221535656 is a wasteful number, since it uses less digits than its factorization.

142355221535656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490595998 (or 490595994 counting only the distinct ones).

The product of its digits is 32400000, while the sum is 55.

The spelling of 142355221535656 in words is "one hundred forty-two trillion, three hundred fifty-five billion, two hundred twenty-one million, five hundred thirty-five thousand, six hundred fifty-six".