142731760 has 40 divisors (see below), whose sum is σ = 332545680. Its totient is φ = 56973312.

The previous prime is 142731737. The next prime is 142731773. The reversal of 142731760 is 67137241.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43456 + ... + 46624.

It is an arithmetic number, because the mean of its divisors is an integer number (8313642).

Almost surely, 2^142731760 is an apocalyptic number.

142731760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142731760 is an abundant number, since it is smaller than the sum of its proper divisors (189813920).

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

142731760 is a wasteful number, since it uses less digits than its factorization.

142731760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3745 (or 3739 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 142731760 is about 11947.0398007205. The cubic root of 142731760 is about 522.6049757410.

The spelling of 142731760 in words is "one hundred forty-two million, seven hundred thirty-one thousand, seven hundred sixty".