142489492842 has 16 divisors (see below), whose sum is σ = 285036604992. Its totient is φ = 47486894400.

The previous prime is 142489492813. The next prime is 142489492877. The reversal of 142489492842 is 248294984241.

It is a happy 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, 2368623 + ... + 2428034.

It is an arithmetic number, because the mean of its divisors is an integer number (17814787812).

Almost surely, 2^142489492842 is an apocalyptic number.

142489492842 is an abundant number, since it is smaller than the sum of its proper divisors (142547112150).

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

142489492842 is a wasteful number, since it uses less digits than its factorization.

142489492842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4801613.

The product of its digits is 10616832, while the sum is 57.

The spelling of 142489492842 in words is "one hundred forty-two billion, four hundred eighty-nine million, four hundred ninety-two thousand, eight hundred forty-two".