305045369 has 16 divisors (see below), whose sum is σ = 320060160. Its totient is φ = 290484480.

The previous prime is 305045359. The next prime is 305045381. The reversal of 305045369 is 963540503.

It is a cyclic number.

It is not a de Polignac number, because 305045369 - 2¹² = 305041273 is a prime.

It is a super-2 number, since 2×305045369² = 186105354296692322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (305045339) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 345809 + ... + 346689.

It is an arithmetic number, because the mean of its divisors is an integer number (20003760).

Almost surely, 2^305045369 is an apocalyptic number.

It is an amenable number.

305045369 is a deficient number, since it is larger than the sum of its proper divisors (15014791).

305045369 is a wasteful number, since it uses less digits than its factorization.

305045369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1120.

The product of its (nonzero) digits is 48600, while the sum is 35.

The square root of 305045369 is about 17465.5480589645. The cubic root of 305045369 is about 673.1649243617.

The spelling of 305045369 in words is "three hundred five million, forty-five thousand, three hundred sixty-nine".