142561466622042 has 64 divisors (see below), whose sum is σ = 332034947725824. Its totient is φ = 40406369264640.

The previous prime is 142561466621983. The next prime is 142561466622061. The reversal of 142561466622042 is 240226664165241.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1143686809 + ... + 1143811452.

It is an arithmetic number, because the mean of its divisors is an integer number (5188046058216).

Almost surely, 2^{142561466622042} is an apocalyptic number.

142561466622042 is an abundant number, since it is smaller than the sum of its proper divisors (189473481103782).

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

142561466622042 is a wasteful number, since it uses less digits than its factorization.

142561466622042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2287498343.

The product of its (nonzero) digits is 6635520, while the sum is 51.

The spelling of 142561466622042 in words is "one hundred forty-two trillion, five hundred sixty-one billion, four hundred sixty-six million, six hundred twenty-two thousand, forty-two".