305075345149 has 2 divisors, whose sum is σ = 305075345150. Its totient is φ = 305075345148.

The previous prime is 305075345119. The next prime is 305075345171. The reversal of 305075345149 is 941543570503.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 231332140900 + 73743204249 = 480970^2 + 271557^2 .

It is a cyclic number.

It is not a de Polignac number, because 305075345149 - 2⁵ = 305075345117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 305075345099 and 305075345108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (305075345119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152537672574 + 152537672575.

It is an arithmetic number, because the mean of its divisors is an integer number (152537672575).

Almost surely, 2^305075345149 is an apocalyptic number.

It is an amenable number.

305075345149 is a deficient number, since it is larger than the sum of its proper divisors (1).

305075345149 is an equidigital number, since it uses as much as digits as its factorization.

305075345149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1134000, while the sum is 46.

The spelling of 305075345149 in words is "three hundred five billion, seventy-five million, three hundred forty-five thousand, one hundred forty-nine".