142112344 has 16 divisors (see below), whose sum is σ = 290684520. Its totient is φ = 64596480.

The previous prime is 142112323. The next prime is 142112363. The reversal of 142112344 is 443211241.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 807369 + ... + 807544.

Almost surely, 2^142112344 is an apocalyptic number.

It is an amenable number.

142112344 is an abundant number, since it is smaller than the sum of its proper divisors (148572176).

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

142112344 is a wasteful number, since it uses less digits than its factorization.

142112344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1614930 (or 1614926 counting only the distinct ones).

The product of its digits is 768, while the sum is 22.

The square root of 142112344 is about 11921.0882053611. The cubic root of 142112344 is about 521.8478929303.

Adding to 142112344 its reverse (443211241), we get a palindrome (585323585).

The spelling of 142112344 in words is "one hundred forty-two million, one hundred twelve thousand, three hundred forty-four".