4520445 has 8 divisors (see below), whose sum is σ = 7232736. Its totient is φ = 2410896.

The previous prime is 4520431. The next prime is 4520449. The reversal of 4520445 is 5440254.

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

It is not a de Polignac number, because 4520445 - 2⁶ = 4520381 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4520449) 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, 150667 + ... + 150696.

It is an arithmetic number, because the mean of its divisors is an integer number (904092).

Almost surely, 2^4520445 is an apocalyptic number.

It is an amenable number.

4520445 is a deficient number, since it is larger than the sum of its proper divisors (2712291).

4520445 is a wasteful number, since it uses less digits than its factorization.

4520445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301371.

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 4520445 is about 2126.1338151678. The cubic root of 4520445 is about 165.3460140111.

Adding to 4520445 its reverse (5440254), we get a palindrome (9960699).

The spelling of 4520445 in words is "four million, five hundred twenty thousand, four hundred forty-five".