302105318022149 has 2 divisors, whose sum is σ = 302105318022150. Its totient is φ = 302105318022148.

The previous prime is 302105318022139. The next prime is 302105318022181. The reversal of 302105318022149 is 941220813501203.

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., 153844083492100 + 148261234530049 = 12403390^2 + 12176257^2 .

It is a cyclic number.

It is not a de Polignac number, because 302105318022149 - 2²⁸ = 302105049586693 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (302105318022139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151052659011074 + 151052659011075.

It is an arithmetic number, because the mean of its divisors is an integer number (151052659011075).

Almost surely, 2^{302105318022149} is an apocalyptic number.

It is an amenable number.

302105318022149 is a deficient number, since it is larger than the sum of its proper divisors (1).

302105318022149 is an equidigital number, since it uses as much as digits as its factorization.

302105318022149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 41.

The spelling of 302105318022149 in words is "three hundred two trillion, one hundred five billion, three hundred eighteen million, twenty-two thousand, one hundred forty-nine".