142583244 has 24 divisors (see below), whose sum is σ = 332985408. Its totient is φ = 47486160.

The previous prime is 142583213. The next prime is 142583261. The reversal of 142583244 is 442385241.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11139 + ... + 20229.

It is an arithmetic number, because the mean of its divisors is an integer number (13874392).

Almost surely, 2^142583244 is an apocalyptic number.

It is an amenable number.

142583244 is an abundant number, since it is smaller than the sum of its proper divisors (190402164).

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

142583244 is a wasteful number, since it uses less digits than its factorization.

142583244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10405 (or 10403 counting only the distinct ones).

The product of its digits is 30720, while the sum is 33.

The square root of 142583244 is about 11940.8225847301. The cubic root of 142583244 is about 522.4236516116.

The spelling of 142583244 in words is "one hundred forty-two million, five hundred eighty-three thousand, two hundred forty-four".