142318864 has 20 divisors (see below), whose sum is σ = 276007756. Its totient is φ = 71091072.

The previous prime is 142318853. The next prime is 142318877. The reversal of 142318864 is 468813241.

It can be written as a sum of positive squares in 2 ways, for example, as 2890000 + 139428864 = 1700^2 + 11808^2 .

It is an unprimeable number.

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, 15742 + ... + 23074.

Almost surely, 2^142318864 is an apocalyptic number.

It is an amenable number.

142318864 is a deficient number, since it is larger than the sum of its proper divisors (133688892).

142318864 is a wasteful number, since it uses less digits than its factorization.

142318864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8554 (or 8548 counting only the distinct ones).

The product of its digits is 36864, while the sum is 37.

The square root of 142318864 is about 11929.7470216262. The cubic root of 142318864 is about 522.1005565638.

The spelling of 142318864 in words is "one hundred forty-two million, three hundred eighteen thousand, eight hundred sixty-four".