142431924 has 12 divisors (see below), whose sum is σ = 332341184. Its totient is φ = 47477304.

The previous prime is 142431871. The next prime is 142431973. The reversal of 142431924 is 429134241.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 142431891 and 142431900.

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, 5934652 + ... + 5934675.

Almost surely, 2^142431924 is an apocalyptic number.

It is an amenable number.

142431924 is an abundant number, since it is smaller than the sum of its proper divisors (189909260).

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

142431924 is a wasteful number, since it uses less digits than its factorization.

142431924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11869334 (or 11869332 counting only the distinct ones).

The product of its digits is 6912, while the sum is 30.

The square root of 142431924 is about 11934.4846558199. The cubic root of 142431924 is about 522.2387745135.

The spelling of 142431924 in words is "one hundred forty-two million, four hundred thirty-one thousand, nine hundred twenty-four".