188145112 has 32 divisors (see below), whose sum is σ = 360284400. Its totient is φ = 92087424.

The previous prime is 188145109. The next prime is 188145121. The reversal of 188145112 is 211541881.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91714 + ... + 93742.

Almost surely, 2^188145112 is an apocalyptic number.

It is an amenable number.

188145112 is a deficient number, since it is larger than the sum of its proper divisors (172139288).

188145112 is a wasteful number, since it uses less digits than its factorization.

188145112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2275 (or 2271 counting only the distinct ones).

The product of its digits is 2560, while the sum is 31.

The square root of 188145112 is about 13716.5998702302. The cubic root of 188145112 is about 573.0127866855.

Adding to 188145112 its reverse (211541881), we get a palindrome (399686993).

The spelling of 188145112 in words is "one hundred eighty-eight million, one hundred forty-five thousand, one hundred twelve".