306164149 has 2 divisors, whose sum is σ = 306164150. Its totient is φ = 306164148.

The previous prime is 306164143. The next prime is 306164167. The reversal of 306164149 is 941461603.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 287302500 + 18861649 = 16950^2 + 4343^2 .

It is an emirp because it is prime and its reverse (941461603) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 306164149 - 2⁷ = 306164021 is a prime.

It is a super-2 number, since 2×306164149² = 187472972265788402, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (306164143) 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 as a sum of consecutive naturals, namely, 153082074 + 153082075.

It is an arithmetic number, because the mean of its divisors is an integer number (153082075).

Almost surely, 2^306164149 is an apocalyptic number.

It is an amenable number.

306164149 is a deficient number, since it is larger than the sum of its proper divisors (1).

306164149 is an equidigital number, since it uses as much as digits as its factorization.

306164149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 306164149 is about 17497.5469423574. The cubic root of 306164149 is about 673.9868836362.

The spelling of 306164149 in words is "three hundred six million, one hundred sixty-four thousand, one hundred forty-nine".