142974396 has 42 divisors (see below), whose sum is σ = 375143832. Its totient is φ = 47657160.

The previous prime is 142974367. The next prime is 142974407. The reversal of 142974396 is 693479241.

It is a happy number.

142974396 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 21600 + ... + 27431.

It is an arithmetic number, because the mean of its divisors is an integer number (8931996).

Almost surely, 2^142974396 is an apocalyptic number.

It is an amenable number.

142974396 is an abundant number, since it is smaller than the sum of its proper divisors (232169436).

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

142974396 is an equidigital number, since it uses as much as digits as its factorization.

142974396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49053 (or 49036 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 142974396 is about 11957.1901381554. The cubic root of 142974396 is about 522.9009411615.

The spelling of 142974396 in words is "one hundred forty-two million, nine hundred seventy-four thousand, three hundred ninety-six".