142385028 has 24 divisors (see below), whose sum is σ = 341212032. Its totient is φ = 46178784.

The previous prime is 142385011. The next prime is 142385057. The reversal of 142385028 is 820583241.

142385028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 142385028.

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, 159900 + ... + 160787.

It is an arithmetic number, because the mean of its divisors is an integer number (14217168).

Almost surely, 2^142385028 is an apocalyptic number.

It is an amenable number.

142385028 is an abundant number, since it is smaller than the sum of its proper divisors (198827004).

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

142385028 is a wasteful number, since it uses less digits than its factorization.

142385028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320731 (or 320729 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 142385028 is about 11932.5197674255. The cubic root of 142385028 is about 522.1814521631.

The spelling of 142385028 in words is "one hundred forty-two million, three hundred eighty-five thousand, twenty-eight".