142422832 has 20 divisors (see below), whose sum is σ = 276310440. Its totient is φ = 71116928.

The previous prime is 142422829. The next prime is 142422887. The reversal of 142422832 is 238224241.

It is a self number, because there is not a number n which added to its sum of digits gives 142422832.

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, 7443 + ... + 18445.

It is an arithmetic number, because the mean of its divisors is an integer number (13815522).

Almost surely, 2^142422832 is an apocalyptic number.

It is an amenable number.

142422832 is a deficient number, since it is larger than the sum of its proper divisors (133887608).

142422832 is a wasteful number, since it uses less digits than its factorization.

142422832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11820 (or 11814 counting only the distinct ones).

The product of its digits is 6144, while the sum is 28.

The square root of 142422832 is about 11934.1037367705. The cubic root of 142422832 is about 522.2276620797.

The spelling of 142422832 in words is "one hundred forty-two million, four hundred twenty-two thousand, eight hundred thirty-two".