142451239679 has 16 divisors (see below), whose sum is σ = 173988995328. Its totient is φ = 113844630912.

The previous prime is 142451239621. The next prime is 142451239681. The reversal of 142451239679 is 976932154241.

It is a cyclic number.

It is not a de Polignac number, because 142451239679 - 2³⁶ = 73731762943 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142451239679.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142451239279) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5581049 + ... + 5606514.

It is an arithmetic number, because the mean of its divisors is an integer number (10874312208).

Almost surely, 2^142451239679 is an apocalyptic number.

142451239679 is a deficient number, since it is larger than the sum of its proper divisors (31537755649).

142451239679 is a wasteful number, since it uses less digits than its factorization.

142451239679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11187694.

The product of its digits is 3265920, while the sum is 53.

The spelling of 142451239679 in words is "one hundred forty-two billion, four hundred fifty-one million, two hundred thirty-nine thousand, six hundred seventy-nine".