4064545 has 8 divisors (see below), whose sum is σ = 4888296. Its totient is φ = 3244416.

The previous prime is 4064539. The next prime is 4064549. The reversal of 4064545 is 5454604.

It can be written as a sum of positive squares in 4 ways, for example, as 289 + 4064256 = 17^2 + 2016^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4064545 - 2⁹ = 4064033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4064549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3789 + ... + 4741.

It is an arithmetic number, because the mean of its divisors is an integer number (611037).

Almost surely, 2^4064545 is an apocalyptic number.

It is an amenable number.

4064545 is a deficient number, since it is larger than the sum of its proper divisors (823751).

4064545 is an equidigital number, since it uses as much as digits as its factorization.

4064545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1811.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 4064545 is about 2016.0716753132. The cubic root of 4064545 is about 159.5893767675.

The spelling of 4064545 in words is "four million, sixty-four thousand, five hundred forty-five".