142617864 has 32 divisors (see below), whose sum is σ = 358525440. Its totient is φ = 47275200.

The previous prime is 142617841. The next prime is 142617907. The reversal of 142617864 is 468716241.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12072 + ... + 20759.

It is an arithmetic number, because the mean of its divisors is an integer number (11203920).

Almost surely, 2^142617864 is an apocalyptic number.

It is an amenable number.

142617864 is an abundant number, since it is smaller than the sum of its proper divisors (215907576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142617864 is a wasteful number, since it uses less digits than its factorization.

142617864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33021 (or 33017 counting only the distinct ones).

The product of its digits is 64512, while the sum is 39.

The square root of 142617864 is about 11942.2721456179. The cubic root of 142617864 is about 522.4659306403.

The spelling of 142617864 in words is "one hundred forty-two million, six hundred seventeen thousand, eight hundred sixty-four".