142315392 has 32 divisors (see below), whose sum is σ = 378026280. Its totient is φ = 47438336.

The previous prime is 142315391. The next prime is 142315403. The reversal of 142315392 is 293513241.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×142315392² = 40507341600227328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142315391) by changing a digit.

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, 184923 + ... + 185690.

Almost surely, 2^142315392 is an apocalyptic number.

142315392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

142315392 is an abundant number, since it is smaller than the sum of its proper divisors (235710888).

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

142315392 is an equidigital number, since it uses as much as digits as its factorization.

142315392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370630 (or 370618 counting only the distinct ones).

The product of its digits is 6480, while the sum is 30.

The square root of 142315392 is about 11929.6015021458. The cubic root of 142315392 is about 522.0963108210.

The spelling of 142315392 in words is "one hundred forty-two million, three hundred fifteen thousand, three hundred ninety-two".