305134245 has 48 divisors (see below), whose sum is σ = 572382720. Its totient is φ = 149482368.

The previous prime is 305134213. The next prime is 305134283. The reversal of 305134245 is 542431503.

It is not a de Polignac number, because 305134245 - 2⁵ = 305134213 is a prime.

It is a congruent number.

It is an unprimeable number.

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 in 47 ways as a sum of consecutive naturals, for example, 129286 + ... + 131624.

It is an arithmetic number, because the mean of its divisors is an integer number (11924640).

Almost surely, 2^305134245 is an apocalyptic number.

It is an amenable number.

305134245 is a deficient number, since it is larger than the sum of its proper divisors (267248475).

305134245 is a wasteful number, since it uses less digits than its factorization.

305134245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2586 (or 2583 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 305134245 is about 17468.0921969172. The cubic root of 305134245 is about 673.2302943060.

Adding to 305134245 its reverse (542431503), we get a palindrome (847565748).

The spelling of 305134245 in words is "three hundred five million, one hundred thirty-four thousand, two hundred forty-five".