164310145 has 4 divisors (see below), whose sum is σ = 197172180. Its totient is φ = 131448112.

The previous prime is 164310127. The next prime is 164310161. The reversal of 164310145 is 541013461.

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

It can be written as a sum of positive squares in 2 ways, for example, as 105925264 + 58384881 = 10292^2 + 7641^2 .

It is a cyclic number.

It is not a de Polignac number, because 164310145 - 2¹⁷ = 164179073 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16431010 + ... + 16431019.

It is an arithmetic number, because the mean of its divisors is an integer number (49293045).

Almost surely, 2^164310145 is an apocalyptic number.

It is an amenable number.

164310145 is a deficient number, since it is larger than the sum of its proper divisors (32862035).

164310145 is an equidigital number, since it uses as much as digits as its factorization.

164310145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32862034.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 164310145 is about 12818.3518831400. The cubic root of 164310145 is about 547.7151993490.

The spelling of 164310145 in words is "one hundred sixty-four million, three hundred ten thousand, one hundred forty-five".