164704245 has 32 divisors (see below), whose sum is σ = 279728640. Its totient is φ = 82467840.

The previous prime is 164704229. The next prime is 164704247. The reversal of 164704245 is 542407461.

It is not a de Polignac number, because 164704245 - 2⁴ = 164704229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164704247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 180340 + ... + 181250.

It is an arithmetic number, because the mean of its divisors is an integer number (8741520).

Almost surely, 2^164704245 is an apocalyptic number.

164704245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

164704245 is a deficient number, since it is larger than the sum of its proper divisors (115024395).

164704245 is a wasteful number, since it uses less digits than its factorization.

164704245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1645.

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 164704245 is about 12833.7151674798. The cubic root of 164704245 is about 548.1527503658.

The spelling of 164704245 in words is "one hundred sixty-four million, seven hundred four thousand, two hundred forty-five".