142074978842 has 16 divisors (see below), whose sum is σ = 214284530592. Its totient is φ = 70647106320.

The previous prime is 142074978833. The next prime is 142074978919. The reversal of 142074978842 is 248879470241.

It is a super-2 number, since 2×142074978842² (a number of 23 digits) contains 22 as substring.

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, 875153 + ... + 1024715.

It is an arithmetic number, because the mean of its divisors is an integer number (13392783162).

Almost surely, 2^142074978842 is an apocalyptic number.

142074978842 is a deficient number, since it is larger than the sum of its proper divisors (72209551750).

142074978842 is a wasteful number, since it uses less digits than its factorization.

142074978842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152173.

The product of its (nonzero) digits is 7225344, while the sum is 56.

The spelling of 142074978842 in words is "one hundred forty-two billion, seventy-four million, nine hundred seventy-eight thousand, eight hundred forty-two".