142322288978 has 16 divisors (see below), whose sum is σ = 213648540000. Its totient is φ = 71106135552.

The previous prime is 142322288923. The next prime is 142322289041. The reversal of 142322288978 is 879882223241.

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, 21795218 + ... + 21801746.

It is an arithmetic number, because the mean of its divisors is an integer number (13353033750).

Almost surely, 2^142322288978 is an apocalyptic number.

142322288978 is a deficient number, since it is larger than the sum of its proper divisors (71326251022).

142322288978 is a wasteful number, since it uses less digits than its factorization.

142322288978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13289.

The product of its digits is 6193152, while the sum is 56.

The spelling of 142322288978 in words is "one hundred forty-two billion, three hundred twenty-two million, two hundred eighty-eight thousand, nine hundred seventy-eight".