4605945 has 32 divisors (see below), whose sum is σ = 7784832. Its totient is φ = 2322432.

The previous prime is 4605917. The next prime is 4605947. The reversal of 4605945 is 5495064.

It is not a de Polignac number, because 4605945 - 2¹⁰ = 4604921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4605947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23769 + ... + 23961.

It is an arithmetic number, because the mean of its divisors is an integer number (243276).

Almost surely, 2^4605945 is an apocalyptic number.

It is an amenable number.

4605945 is a deficient number, since it is larger than the sum of its proper divisors (3178887).

4605945 is a wasteful number, since it uses less digits than its factorization.

4605945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 4605945 is about 2146.1465467204. The cubic root of 4605945 is about 166.3819650580.

The spelling of 4605945 in words is "four million, six hundred five thousand, nine hundred forty-five".