142437244 has 12 divisors (see below), whose sum is σ = 250020568. Its totient is φ = 71002800.

The previous prime is 142437233. The next prime is 142437247. The reversal of 142437244 is 442734241.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142437247) by changing a digit.

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, 52467 + ... + 55114.

Almost surely, 2^142437244 is an apocalyptic number.

It is an amenable number.

142437244 is a deficient number, since it is larger than the sum of its proper divisors (107583324).

142437244 is a wasteful number, since it uses less digits than its factorization.

142437244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107916 (or 107914 counting only the distinct ones).

The product of its digits is 21504, while the sum is 31.

The square root of 142437244 is about 11934.7075372629. The cubic root of 142437244 is about 522.2452765102.

The spelling of 142437244 in words is "one hundred forty-two million, four hundred thirty-seven thousand, two hundred forty-four".