142744124 has 12 divisors (see below), whose sum is σ = 255895248. Its totient is φ = 69631200.

The previous prime is 142744117. The next prime is 142744139. The reversal of 142744124 is 421447241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 435032 + ... + 435359.

It is an arithmetic number, because the mean of its divisors is an integer number (21324604).

Almost surely, 2^142744124 is an apocalyptic number.

It is an amenable number.

142744124 is a deficient number, since it is larger than the sum of its proper divisors (113151124).

142744124 is a wasteful number, since it uses less digits than its factorization.

142744124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 870436 (or 870434 counting only the distinct ones).

The product of its digits is 7168, while the sum is 29.

The square root of 142744124 is about 11947.5572398713. The cubic root of 142744124 is about 522.6200653546.

The spelling of 142744124 in words is "one hundred forty-two million, seven hundred forty-four thousand, one hundred twenty-four".