142286432 has 12 divisors (see below), whose sum is σ = 280126476. Its totient is φ = 71143200.

The previous prime is 142286411. The next prime is 142286479. The reversal of 142286432 is 234682241.

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 4446451 = 142286432 / (1 + 4 + 2 + 2 + 8 + 6 + 4 + 3 + 2).

It is a congruent number.

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 as a sum of consecutive naturals, namely, 2223194 + ... + 2223257.

It is an arithmetic number, because the mean of its divisors is an integer number (23343873).

Almost surely, 2^142286432 is an apocalyptic number.

It is an amenable number.

142286432 is a deficient number, since it is larger than the sum of its proper divisors (137840044).

142286432 is an equidigital number, since it uses as much as digits as its factorization.

142286432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4446461 (or 4446453 counting only the distinct ones).

The product of its digits is 18432, while the sum is 32.

The square root of 142286432 is about 11928.3876529898. The cubic root of 142286432 is about 522.0608943312.

The spelling of 142286432 in words is "one hundred forty-two million, two hundred eighty-six thousand, four hundred thirty-two".