3045645205 has 4 divisors (see below), whose sum is σ = 3654774252. Its totient is φ = 2436516160.

The previous prime is 3045645143. The next prime is 3045645227. The reversal of 3045645205 is 5025465403.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5025465403 = 7 ⋅717923629.

It can be written as a sum of positive squares in 2 ways, for example, as 1587703716 + 1457941489 = 39846^2 + 38183^2 .

It is a de Polignac number, because none of the positive numbers 2^k-3045645205 is a prime.

It is a Duffinian number.

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 3 ways as a sum of consecutive naturals, for example, 304564516 + ... + 304564525.

It is an arithmetic number, because the mean of its divisors is an integer number (913693563).

Almost surely, 2^3045645205 is an apocalyptic number.

It is an amenable number.

3045645205 is a deficient number, since it is larger than the sum of its proper divisors (609129047).

3045645205 is an equidigital number, since it uses as much as digits as its factorization.

3045645205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609129046.

The product of its (nonzero) digits is 72000, while the sum is 34.

The square root of 3045645205 is about 55187.3645411701. The cubic root of 3045645205 is about 1449.5274250706.

The spelling of 3045645205 in words is "three billion, forty-five million, six hundred forty-five thousand, two hundred five".