142431660 has 72 divisors (see below), whose sum is σ = 493767456. Its totient is φ = 32555520.

The previous prime is 142431637. The next prime is 142431683. The reversal of 142431660 is 66134241.

It is an interprime number because it is at equal distance from previous prime (142431637) and next prime (142431683).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55261 + ... + 57780.

Almost surely, 2^142431660 is an apocalyptic number.

142431660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142431660 is an abundant number, since it is smaller than the sum of its proper divisors (351335796).

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

142431660 is a wasteful number, since it uses less digits than its factorization.

142431660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113063 (or 113058 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 142431660 is about 11934.4735954293. The cubic root of 142431660 is about 522.2384518538.

The spelling of 142431660 in words is "one hundred forty-two million, four hundred thirty-one thousand, six hundred sixty".