188887148 has 12 divisors (see below), whose sum is σ = 330811992. Its totient is φ = 94369440.

The previous prime is 188887141. The next prime is 188887159. The reversal of 188887148 is 841788881.

It is a self number, because there is not a number n which added to its sum of digits gives 188887148.

It is not an unprimeable number, because it can be changed into a prime (188887141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12590 + ... + 23157.

It is an arithmetic number, because the mean of its divisors is an integer number (27567666).

Almost surely, 2^188887148 is an apocalyptic number.

It is an amenable number.

188887148 is a deficient number, since it is larger than the sum of its proper divisors (141924844).

188887148 is a wasteful number, since it uses less digits than its factorization.

188887148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37072 (or 37070 counting only the distinct ones).

The product of its digits is 917504, while the sum is 53.

The square root of 188887148 is about 13743.6220844434. The cubic root of 188887148 is about 573.7651108682.

The spelling of 188887148 in words is "one hundred eighty-eight million, eight hundred eighty-seven thousand, one hundred forty-eight".