142424556646242 has 32 divisors (see below), whose sum is σ = 306761194228608. Its totient is φ = 43822853266176.

The previous prime is 142424556646217. The next prime is 142424556646261. The reversal of 142424556646242 is 242646655424241.

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, 45442083 + ... + 48475065.

It is an arithmetic number, because the mean of its divisors is an integer number (9586287319644).

Almost surely, 2^{142424556646242} is an apocalyptic number.

142424556646242 is an abundant number, since it is smaller than the sum of its proper divisors (164336637582366).

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

142424556646242 is a wasteful number, since it uses less digits than its factorization.

142424556646242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3635034.

The product of its digits is 88473600, while the sum is 57.

The spelling of 142424556646242 in words is "one hundred forty-two trillion, four hundred twenty-four billion, five hundred fifty-six million, six hundred forty-six thousand, two hundred forty-two".