142536724 has 24 divisors (see below), whose sum is σ = 272418048. Its totient is φ = 64717440.

The previous prime is 142536697. The next prime is 142536739. The reversal of 142536724 is 427635241.

It is a self number, because there is not a number n which added to its sum of digits gives 142536724.

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 in 7 ways as a sum of consecutive naturals, for example, 77277 + ... + 79099.

It is an arithmetic number, because the mean of its divisors is an integer number (11350752).

Almost surely, 2^142536724 is an apocalyptic number.

It is an amenable number.

142536724 is a deficient number, since it is larger than the sum of its proper divisors (129881324).

142536724 is a wasteful number, since it uses less digits than its factorization.

142536724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3615 (or 3613 counting only the distinct ones).

The product of its digits is 40320, while the sum is 34.

The square root of 142536724 is about 11938.8744863157. The cubic root of 142536724 is about 522.3668291520.

The spelling of 142536724 in words is "one hundred forty-two million, five hundred thirty-six thousand, seven hundred twenty-four".