142043992 has 16 divisors (see below), whose sum is σ = 266464800. Its totient is φ = 70986720.

The previous prime is 142043989. The next prime is 142044017. The reversal of 142043992 is 299340241.

142043992 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 22017 + ... + 27727.

It is an arithmetic number, because the mean of its divisors is an integer number (16654050).

Almost surely, 2^142043992 is an apocalyptic number.

It is an amenable number.

142043992 is a deficient number, since it is larger than the sum of its proper divisors (124420808).

142043992 is a wasteful number, since it uses less digits than its factorization.

142043992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8826 (or 8822 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 142043992 is about 11918.2210081874. The cubic root of 142043992 is about 521.7642148431.

The spelling of 142043992 in words is "one hundred forty-two million, forty-three thousand, nine hundred ninety-two".