142925686864 has 20 divisors (see below), whose sum is σ = 277947963540. Its totient is φ = 71197180160.

The previous prime is 142925686861. The next prime is 142925686879. The reversal of 142925686864 is 468686529241.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 82610256400 + 60315430464 = 287420^2 + 245592^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142925686861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16599517 + ... + 16608124.

It is an arithmetic number, because the mean of its divisors is an integer number (13897398177).

Almost surely, 2^142925686864 is an apocalyptic number.

It is an amenable number.

142925686864 is a deficient number, since it is larger than the sum of its proper divisors (135022276676).

142925686864 is a wasteful number, since it uses less digits than its factorization.

142925686864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33207918 (or 33207912 counting only the distinct ones).

The product of its digits is 39813120, while the sum is 61.

The spelling of 142925686864 in words is "one hundred forty-two billion, nine hundred twenty-five million, six hundred eighty-six thousand, eight hundred sixty-four".