142723864 has 16 divisors (see below), whose sum is σ = 267865200. Its totient is φ = 71293152.

The previous prime is 142723853. The next prime is 142723873. The reversal of 142723864 is 468327241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 829 + ... + 16915.

It is an arithmetic number, because the mean of its divisors is an integer number (16741575).

Almost surely, 2^142723864 is an apocalyptic number.

It is an amenable number.

142723864 is a deficient number, since it is larger than the sum of its proper divisors (125141336).

142723864 is a wasteful number, since it uses less digits than its factorization.

142723864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17202 (or 17198 counting only the distinct ones).

The product of its digits is 64512, while the sum is 37.

The square root of 142723864 is about 11946.7093377214. The cubic root of 142723864 is about 522.5953386310.

The spelling of 142723864 in words is "one hundred forty-two million, seven hundred twenty-three thousand, eight hundred sixty-four".