4045585 has 16 divisors (see below), whose sum is σ = 5124096. Its totient is φ = 3060288.

The previous prime is 4045583. The next prime is 4045597. The reversal of 4045585 is 5855404.

It is not a de Polignac number, because 4045585 - 2¹ = 4045583 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4045583) 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 15 ways as a sum of consecutive naturals, for example, 14467 + ... + 14743.

It is an arithmetic number, because the mean of its divisors is an integer number (320256).

Almost surely, 2^4045585 is an apocalyptic number.

It is an amenable number.

4045585 is a deficient number, since it is larger than the sum of its proper divisors (1078511).

4045585 is a wasteful number, since it uses less digits than its factorization.

4045585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432.

The product of its (nonzero) digits is 16000, while the sum is 31.

The square root of 4045585 is about 2011.3639650744. The cubic root of 4045585 is about 159.3408428658.

The spelling of 4045585 in words is "four million, forty-five thousand, five hundred eighty-five".