142931748 has 24 divisors (see below), whose sum is σ = 339161760. Its totient is φ = 46836160.

The previous prime is 142931741. The next prime is 142931771. The reversal of 142931748 is 847139241.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (142931741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100233 + ... + 101648.

It is an arithmetic number, because the mean of its divisors is an integer number (14131740).

Almost surely, 2^142931748 is an apocalyptic number.

It is an amenable number.

142931748 is an abundant number, since it is smaller than the sum of its proper divisors (196230012).

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

142931748 is a wasteful number, since it uses less digits than its factorization.

142931748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201947 (or 201945 counting only the distinct ones).

The product of its digits is 48384, while the sum is 39.

The square root of 142931748 is about 11955.4066430214. The cubic root of 142931748 is about 522.8489437464.

The spelling of 142931748 in words is "one hundred forty-two million, nine hundred thirty-one thousand, seven hundred forty-eight".