142724192 has 24 divisors (see below), whose sum is σ = 302603616. Its totient is φ = 65872512.

The previous prime is 142724191. The next prime is 142724203. The reversal of 142724192 is 291427241.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142724191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171128 + ... + 171959.

It is an arithmetic number, because the mean of its divisors is an integer number (12608484).

Almost surely, 2^142724192 is an apocalyptic number.

It is an amenable number.

142724192 is an abundant number, since it is smaller than the sum of its proper divisors (159879424).

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

142724192 is a wasteful number, since it uses less digits than its factorization.

142724192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343110 (or 343102 counting only the distinct ones).

The product of its digits is 8064, while the sum is 32.

The square root of 142724192 is about 11946.7230653431. The cubic root of 142724192 is about 522.5957389638.

The spelling of 142724192 in words is "one hundred forty-two million, seven hundred twenty-four thousand, one hundred ninety-two".