142804992 has 96 divisors (see below), whose sum is σ = 415527840. Its totient is φ = 43253760.

The previous prime is 142804979. The next prime is 142805017. The reversal of 142804992 is 299408241.

142804992 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

It is a self number, because there is not a number n which added to its sum of digits gives 142804992.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66528 + ... + 68640.

It is an arithmetic number, because the mean of its divisors is an integer number (4328415).

Almost surely, 2^142804992 is an apocalyptic number.

142804992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142804992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207763920).

142804992 is an abundant number, since it is smaller than the sum of its proper divisors (272722848).

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

142804992 is a wasteful number, since it uses less digits than its factorization.

142804992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2149 (or 2129 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 142804992 is about 11950.1042673275. The cubic root of 142804992 is about 522.6943388561.

The spelling of 142804992 in words is "one hundred forty-two million, eight hundred four thousand, nine hundred ninety-two".