142321162506644 has 48 divisors (see below), whose sum is σ = 275286080272896. Its totient is φ = 63843167858400.

The previous prime is 142321162506581. The next prime is 142321162506667. The reversal of 142321162506644 is 446605261123241.

It is a congruent number.

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, 56232602 + ... + 58709009.

It is an arithmetic number, because the mean of its divisors is an integer number (5735126672352).

Almost surely, 2^{142321162506644} is an apocalyptic number.

It is an amenable number.

142321162506644 is a deficient number, since it is larger than the sum of its proper divisors (132964917766252).

142321162506644 is a wasteful number, since it uses less digits than its factorization.

142321162506644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114941996 (or 114941994 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 47.

The spelling of 142321162506644 in words is "one hundred forty-two trillion, three hundred twenty-one billion, one hundred sixty-two million, five hundred six thousand, six hundred forty-four".