142376557731 has 8 divisors (see below), whose sum is σ = 191678472960. Its totient is φ = 93996173832.

The previous prime is 142376557721. The next prime is 142376557733. The reversal of 142376557731 is 137755673241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 142376557731 - 2²³ = 142368169123 is a prime.

It is a super-2 number, since 2×142376557731² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (142376557733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 230382471 + ... + 230383088.

It is an arithmetic number, because the mean of its divisors is an integer number (23959809120).

Almost surely, 2^142376557731 is an apocalyptic number.

142376557731 is a deficient number, since it is larger than the sum of its proper divisors (49301915229).

142376557731 is a wasteful number, since it uses less digits than its factorization.

142376557731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460765665.

The product of its digits is 3704400, while the sum is 51.

The spelling of 142376557731 in words is "one hundred forty-two billion, three hundred seventy-six million, five hundred fifty-seven thousand, seven hundred thirty-one".