142228875 has 16 divisors (see below), whose sum is σ = 236669472. Its totient is φ = 75855200.

The previous prime is 142228861. The next prime is 142228897. The reversal of 142228875 is 578822241.

It is not a de Polignac number, because 142228875 - 2⁴ = 142228859 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 189264 + ... + 190013.

It is an arithmetic number, because the mean of its divisors is an integer number (14791842).

Almost surely, 2^142228875 is an apocalyptic number.

142228875 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

142228875 is a deficient number, since it is larger than the sum of its proper divisors (94440597).

142228875 is an equidigital number, since it uses as much as digits as its factorization.

142228875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379295 (or 379285 counting only the distinct ones).

The product of its digits is 71680, while the sum is 39.

The square root of 142228875 is about 11925.9748029249. The cubic root of 142228875 is about 521.9904910116.

The spelling of 142228875 in words is "one hundred forty-two million, two hundred twenty-eight thousand, eight hundred seventy-five".