142377064531 has 16 divisors (see below), whose sum is σ = 164572478784. Its totient is φ = 121999647744.

The previous prime is 142377064513. The next prime is 142377064541. The reversal of 142377064531 is 135460773241.

It is not a de Polignac number, because 142377064531 - 2⁵ = 142377064499 is a prime.

It is a super-2 number, since 2×142377064531² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142377064541) 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, 4396471 + ... + 4428736.

It is an arithmetic number, because the mean of its divisors is an integer number (10285779924).

Almost surely, 2^142377064531 is an apocalyptic number.

142377064531 is a deficient number, since it is larger than the sum of its proper divisors (22195414253).

142377064531 is a wasteful number, since it uses less digits than its factorization.

142377064531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8825310.

The product of its (nonzero) digits is 423360, while the sum is 43.

The spelling of 142377064531 in words is "one hundred forty-two billion, three hundred seventy-seven million, sixty-four thousand, five hundred thirty-one".