164230243 has 4 divisors (see below), whose sum is σ = 172873960. Its totient is φ = 155586528.

The previous prime is 164230223. The next prime is 164230249. The reversal of 164230243 is 342032461.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 164230243 - 2⁹ = 164229731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164230249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4321830 + ... + 4321867.

It is an arithmetic number, because the mean of its divisors is an integer number (43218490).

Almost surely, 2^164230243 is an apocalyptic number.

164230243 is a deficient number, since it is larger than the sum of its proper divisors (8643717).

164230243 is an equidigital number, since it uses as much as digits as its factorization.

164230243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8643716.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 164230243 is about 12815.2348008142. The cubic root of 164230243 is about 547.6264025685.

The spelling of 164230243 in words is "one hundred sixty-four million, two hundred thirty thousand, two hundred forty-three".