189027150 has 192 divisors, whose sum is σ = 539965440. Its totient is φ = 43430400.

The previous prime is 189027127. The next prime is 189027151. The reversal of 189027150 is 51720981.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189027151) 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 95 ways as a sum of consecutive naturals, for example, 3203821 + ... + 3203879.

It is an arithmetic number, because the mean of its divisors is an integer number (2812320).

Almost surely, 2^189027150 is an apocalyptic number.

189027150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 189027150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (269982720).

189027150 is an abundant number, since it is smaller than the sum of its proper divisors (350938290).

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

189027150 is a wasteful number, since it uses less digits than its factorization.

189027150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171 (or 166 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 33.

The square root of 189027150 is about 13748.7144853619. The cubic root of 189027150 is about 573.9068329243.

The spelling of 189027150 in words is "one hundred eighty-nine million, twenty-seven thousand, one hundred fifty".