4845645 has 24 divisors (see below), whose sum is σ = 9599616. Its totient is φ = 2215008.

The previous prime is 4845613. The next prime is 4845647. The reversal of 4845645 is 5465484.

4845645 is a `hidden beast` number, since 4 + 8 + 4 + 5 + 645 = 666.

It is not a de Polignac number, because 4845645 - 2⁵ = 4845613 is a prime.

It is a super-3 number, since 3×4845645³ (a number of 21 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4845647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7377 + ... + 8006.

It is an arithmetic number, because the mean of its divisors is an integer number (399984).

Almost surely, 2^4845645 is an apocalyptic number.

4845645 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4845645 is a deficient number, since it is larger than the sum of its proper divisors (4753971).

4845645 is a wasteful number, since it uses less digits than its factorization.

4845645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15401 (or 15398 counting only the distinct ones).

The product of its digits is 76800, while the sum is 36.

The square root of 4845645 is about 2201.2825806788. The cubic root of 4845645 is about 169.2195482335.

The spelling of 4845645 in words is "four million, eight hundred forty-five thousand, six hundred forty-five".