188375142 has 8 divisors (see below), whose sum is σ = 376750296. Its totient is φ = 62791712.

The previous prime is 188375119. The next prime is 188375149. The reversal of 188375142 is 241573881.

It is a sphenic number, since it is the product of 3 distinct primes.

188375142 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 188375142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (188375149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15697923 + ... + 15697934.

It is an arithmetic number, because the mean of its divisors is an integer number (47093787).

Almost surely, 2^188375142 is an apocalyptic number.

188375142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

188375142 is a wasteful number, since it uses less digits than its factorization.

188375142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31395862.

The product of its digits is 53760, while the sum is 39.

The square root of 188375142 is about 13724.9824043603. The cubic root of 188375142 is about 573.2462172336.

The spelling of 188375142 in words is "one hundred eighty-eight million, three hundred seventy-five thousand, one hundred forty-two".