164331245 has 16 divisors (see below), whose sum is σ = 218109360. Its totient is φ = 118070784.

The previous prime is 164331241. The next prime is 164331253. The reversal of 164331245 is 542133461.

It can be written as a sum of positive squares in 8 ways, for example, as 10099684 + 154231561 = 3178^2 + 12419^2 .

It is not a de Polignac number, because 164331245 - 2² = 164331241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164331241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31760 + ... + 36569.

It is an arithmetic number, because the mean of its divisors is an integer number (13631835).

Almost surely, 2^164331245 is an apocalyptic number.

It is an amenable number.

164331245 is a deficient number, since it is larger than the sum of its proper divisors (53778115).

164331245 is a wasteful number, since it uses less digits than its factorization.

164331245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68384.

The product of its digits is 8640, while the sum is 29.

The square root of 164331245 is about 12819.1748954447. The cubic root of 164331245 is about 547.7386434199.

The spelling of 164331245 in words is "one hundred sixty-four million, three hundred thirty-one thousand, two hundred forty-five".