142321552420056 has 32 divisors (see below), whose sum is σ = 355890053223600. Its totient is φ = 47429027850240.

The previous prime is 142321552420043. The next prime is 142321552420127. The reversal of 142321552420056 is 650024255123241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 718000285 + ... + 718198476.

Almost surely, 2^{142321552420056} is an apocalyptic number.

It is an amenable number.

142321552420056 is an abundant number, since it is smaller than the sum of its proper divisors (213568500803544).

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

142321552420056 is a wasteful number, since it uses less digits than its factorization.

142321552420056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1436202899 (or 1436202895 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 42.

The spelling of 142321552420056 in words is "one hundred forty-two trillion, three hundred twenty-one billion, five hundred fifty-two million, four hundred twenty thousand, fifty-six".