142311244 has 12 divisors (see below), whose sum is σ = 249752664. Its totient is φ = 70953344.

The previous prime is 142311203. The next prime is 142311259. The reversal of 142311244 is 442113241.

It is a happy number.

142311244 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48982 + ... + 51805.

It is an arithmetic number, because the mean of its divisors is an integer number (20812722).

Almost surely, 2^142311244 is an apocalyptic number.

It is an amenable number.

142311244 is a deficient number, since it is larger than the sum of its proper divisors (107441420).

142311244 is a wasteful number, since it uses less digits than its factorization.

142311244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101144 (or 101142 counting only the distinct ones).

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

The square root of 142311244 is about 11929.4276476284. The cubic root of 142311244 is about 522.0912383396.

Adding to 142311244 its reverse (442113241), we get a palindrome (584424485).

The spelling of 142311244 in words is "one hundred forty-two million, three hundred eleven thousand, two hundred forty-four".