142321874 has 8 divisors (see below), whose sum is σ = 214032780. Its totient is φ = 70977616.

The previous prime is 142321849. The next prime is 142321889. The reversal of 142321874 is 478123241.

142321874 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 134397649 + 7924225 = 11593^2 + 2815^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 142321874.

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, 90689 + ... + 92244.

Almost surely, 2^142321874 is an apocalyptic number.

142321874 is a deficient number, since it is larger than the sum of its proper divisors (71710906).

142321874 is a wasteful number, since it uses less digits than its factorization.

142321874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183324.

The product of its digits is 10752, while the sum is 32.

The square root of 142321874 is about 11929.8731761909. The cubic root of 142321874 is about 522.1042372930.

The spelling of 142321874 in words is "one hundred forty-two million, three hundred twenty-one thousand, eight hundred seventy-four".