142829728 has 48 divisors (see below), whose sum is σ = 286403040. Its totient is φ = 70108416.

The previous prime is 142829717. The next prime is 142829749. The reversal of 142829728 is 827928241.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 724926 + ... + 725122.

It is an arithmetic number, because the mean of its divisors is an integer number (5966730).

Almost surely, 2^142829728 is an apocalyptic number.

It is an amenable number.

142829728 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

142829728 is a wasteful number, since it uses less digits than its factorization.

142829728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509 (or 501 counting only the distinct ones).

The product of its digits is 129024, while the sum is 43.

The square root of 142829728 is about 11951.1391925624. The cubic root of 142829728 is about 522.7245166543.

The spelling of 142829728 in words is "one hundred forty-two million, eight hundred twenty-nine thousand, seven hundred twenty-eight".