164545230 has 32 divisors (see below), whose sum is σ = 395280000. Its totient is φ = 43837472.

The previous prime is 164545223. The next prime is 164545279. The reversal of 164545230 is 32545461.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43141 + ... + 46799.

It is an arithmetic number, because the mean of its divisors is an integer number (12352500).

Almost surely, 2^164545230 is an apocalyptic number.

164545230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164545230 is an abundant number, since it is smaller than the sum of its proper divisors (230734770).

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

164545230 is a wasteful number, since it uses less digits than its factorization.

164545230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5168.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 164545230 is about 12827.5184661726. The cubic root of 164545230 is about 547.9762874461.

The spelling of 164545230 in words is "one hundred sixty-four million, five hundred forty-five thousand, two hundred thirty".