142489604642 has 16 divisors (see below), whose sum is σ = 266474066112. Its totient is φ = 55515430320.

The previous prime is 142489604627. The next prime is 142489604681. The reversal of 142489604642 is 246406984241.

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, 462628433 + ... + 462628740.

It is an arithmetic number, because the mean of its divisors is an integer number (16654629132).

Almost surely, 2^142489604642 is an apocalyptic number.

142489604642 is a deficient number, since it is larger than the sum of its proper divisors (123984461470).

142489604642 is a wasteful number, since it uses less digits than its factorization.

142489604642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925257193.

The product of its (nonzero) digits is 2654208, while the sum is 50.

The spelling of 142489604642 in words is "one hundred forty-two billion, four hundred eighty-nine million, six hundred four thousand, six hundred forty-two".