304949149 has 2 divisors, whose sum is σ = 304949150. Its totient is φ = 304949148.

The previous prime is 304949143. The next prime is 304949219. The reversal of 304949149 is 941949403.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 263023524 + 41925625 = 16218^2 + 6475^2 .

It is a cyclic number.

It is not a de Polignac number, because 304949149 - 2¹³ = 304940957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (304949143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152474574 + 152474575.

It is an arithmetic number, because the mean of its divisors is an integer number (152474575).

Almost surely, 2^304949149 is an apocalyptic number.

It is an amenable number.

304949149 is a deficient number, since it is larger than the sum of its proper divisors (1).

304949149 is an equidigital number, since it uses as much as digits as its factorization.

304949149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 304949149 is about 17462.7932759911. The cubic root of 304949149 is about 673.0941384534.

The spelling of 304949149 in words is "three hundred four million, nine hundred forty-nine thousand, one hundred forty-nine".