189146230 has 64 divisors (see below), whose sum is σ = 420940800. Its totient is φ = 59589504.

The previous prime is 189146203. The next prime is 189146261. The reversal of 189146230 is 32641981.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 315471 + ... + 316069.

It is an arithmetic number, because the mean of its divisors is an integer number (6577200).

Almost surely, 2^189146230 is an apocalyptic number.

189146230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

189146230 is an abundant number, since it is smaller than the sum of its proper divisors (231794570).

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

189146230 is a wasteful number, since it uses less digits than its factorization.

189146230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 973.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 189146230 is about 13753.0443902432. The cubic root of 189146230 is about 574.0273208718.

The spelling of 189146230 in words is "one hundred eighty-nine million, one hundred forty-six thousand, two hundred thirty".