142731712 has 28 divisors (see below), whose sum is σ = 283921200. Its totient is φ = 71192576.

The previous prime is 142731709. The next prime is 142731731. The reversal of 142731712 is 217137241.

142731712 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×142731712³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 26253 + ... + 31219.

Almost surely, 2^142731712 is an apocalyptic number.

It is an amenable number.

142731712 is a deficient number, since it is larger than the sum of its proper divisors (141189488).

142731712 is an equidigital number, since it uses as much as digits as its factorization.

142731712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5428 (or 5418 counting only the distinct ones).

The product of its digits is 2352, while the sum is 28.

The square root of 142731712 is about 11947.0377918545. The cubic root of 142731712 is about 522.6049171578.

Adding to 142731712 its reverse (217137241), we get a palindrome (359868953).

The spelling of 142731712 in words is "one hundred forty-two million, seven hundred thirty-one thousand, seven hundred twelve".