902304149 has 2 divisors, whose sum is σ = 902304150. Its totient is φ = 902304148.

The previous prime is 902304133. The next prime is 902304199. The reversal of 902304149 is 941403209.

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., 498093124 + 404211025 = 22318^2 + 20105^2 .

It is an emirp because it is prime and its reverse (941403209) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 902304149 - 2⁴ = 902304133 is a prime.

It is a super-2 number, since 2×902304149² = 1628305554605228402, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (902304119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 451152074 + 451152075.

It is an arithmetic number, because the mean of its divisors is an integer number (451152075).

Almost surely, 2^902304149 is an apocalyptic number.

It is an amenable number.

902304149 is a deficient number, since it is larger than the sum of its proper divisors (1).

902304149 is an equidigital number, since it uses as much as digits as its factorization.

902304149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 902304149 is about 30038.3779355677. The cubic root of 902304149 is about 966.3126200207.

The spelling of 902304149 in words is "nine hundred two million, three hundred four thousand, one hundred forty-nine".