142044112 has 80 divisors (see below), whose sum is σ = 338764032. Its totient is φ = 56309760.

The previous prime is 142044109. The next prime is 142044151. The reversal of 142044112 is 211440241.

It is a self number, because there is not a number n which added to its sum of digits gives 142044112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115533 + ... + 116755.

Almost surely, 2^142044112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142044112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169382016).

142044112 is an abundant number, since it is smaller than the sum of its proper divisors (196719920).

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

142044112 is a wasteful number, since it uses less digits than its factorization.

142044112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1316 (or 1310 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 142044112 is about 11918.2260424947. The cubic root of 142044112 is about 521.7643617733.

Adding to 142044112 its reverse (211440241), we get a palindrome (353484353).

The spelling of 142044112 in words is "one hundred forty-two million, forty-four thousand, one hundred twelve".