188145150 has 24 divisors (see below), whose sum is σ = 466600344. Its totient is φ = 50172000.

The previous prime is 188145121. The next prime is 188145157. The reversal of 188145150 is 51541881.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (188145157) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 627001 + ... + 627300.

It is an arithmetic number, because the mean of its divisors is an integer number (19441681).

Almost surely, 2^188145150 is an apocalyptic number.

188145150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

188145150 is an abundant number, since it is smaller than the sum of its proper divisors (278455194).

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

188145150 is a wasteful number, since it uses less digits than its factorization.

188145150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1254316 (or 1254311 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 33.

The square root of 188145150 is about 13716.6012554131. The cubic root of 188145150 is about 573.0128252629.

The spelling of 188145150 in words is "one hundred eighty-eight million, one hundred forty-five thousand, one hundred fifty".