142244442 has 48 divisors (see below), whose sum is σ = 315751488. Its totient is φ = 46267200.

The previous prime is 142244411. The next prime is 142244483. The reversal of 142244442 is 244442241.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 134817 + ... + 135867.

It is an arithmetic number, because the mean of its divisors is an integer number (6578156).

Almost surely, 2^142244442 is an apocalyptic number.

142244442 is an abundant number, since it is smaller than the sum of its proper divisors (173507046).

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

142244442 is a wasteful number, since it uses less digits than its factorization.

142244442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1235 (or 1232 counting only the distinct ones).

The product of its digits is 8192, while the sum is 27.

The square root of 142244442 is about 11926.6274361196. The cubic root of 142244442 is about 522.0095343306.

Adding to 142244442 its reverse (244442241), we get a palindrome (386686683).

The spelling of 142244442 in words is "one hundred forty-two million, two hundred forty-four thousand, four hundred forty-two".