142875028 has 6 divisors (see below), whose sum is σ = 250031306. Its totient is φ = 71437512.

The previous prime is 142875023. The next prime is 142875043. The reversal of 142875028 is 820578241.

142875028 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 96471684 + 46403344 = 9822^2 + 6812^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142875023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17859375 + ... + 17859382.

Almost surely, 2^142875028 is an apocalyptic number.

It is an amenable number.

142875028 is a deficient number, since it is larger than the sum of its proper divisors (107156278).

142875028 is a wasteful number, since it uses less digits than its factorization.

142875028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35718761 (or 35718759 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 37.

The square root of 142875028 is about 11953.0342591327. The cubic root of 142875028 is about 522.7797733995.

The spelling of 142875028 in words is "one hundred forty-two million, eight hundred seventy-five thousand, twenty-eight".