142724124 has 144 divisors (see below), whose sum is σ = 402554880. Its totient is φ = 42456960.

The previous prime is 142724119. The next prime is 142724149. The reversal of 142724124 is 421427241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1123749 + ... + 1123875.

It is an arithmetic number, because the mean of its divisors is an integer number (2795520).

Almost surely, 2^142724124 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 142724124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (201277440).

142724124 is an abundant number, since it is smaller than the sum of its proper divisors (259830756).

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

142724124 is a wasteful number, since it uses less digits than its factorization.

142724124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240 (or 235 counting only the distinct ones).

The product of its digits is 3584, while the sum is 27.

The square root of 142724124 is about 11946.7202193740. The cubic root of 142724124 is about 522.5956559681.

The spelling of 142724124 in words is "one hundred forty-two million, seven hundred twenty-four thousand, one hundred twenty-four".