4491545 has 16 divisors (see below), whose sum is σ = 5564160. Its totient is φ = 3479424.

The previous prime is 4491533. The next prime is 4491551. The reversal of 4491545 is 5451944.

It is a cyclic number.

It is not a de Polignac number, because 4491545 - 2⁶ = 4491481 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32717 + ... + 32853.

It is an arithmetic number, because the mean of its divisors is an integer number (347760).

Almost surely, 2^4491545 is an apocalyptic number.

It is an amenable number.

4491545 is a deficient number, since it is larger than the sum of its proper divisors (1072615).

4491545 is a wasteful number, since it uses less digits than its factorization.

4491545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304.

The product of its digits is 14400, while the sum is 32.

The square root of 4491545 is about 2119.3265439757. The cubic root of 4491545 is about 164.9928983782.

The spelling of 4491545 in words is "four million, four hundred ninety-one thousand, five hundred forty-five".