4452445 has 8 divisors (see below), whose sum is σ = 5363640. Its totient is φ = 3548160.

The previous prime is 4452443. The next prime is 4452449. The reversal of 4452445 is 5442544.

It can be written as a sum of positive squares in 4 ways, for example, as 1375929 + 3076516 = 1173^2 + 1754^2 .

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

It is not a de Polignac number, because 4452445 - 2¹ = 4452443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4452443) 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, 180 + ... + 2989.

It is an arithmetic number, because the mean of its divisors is an integer number (670455).

Almost surely, 2^4452445 is an apocalyptic number.

It is an amenable number.

4452445 is a deficient number, since it is larger than the sum of its proper divisors (911195).

4452445 is a wasteful number, since it uses less digits than its factorization.

4452445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3455.

The product of its digits is 12800, while the sum is 28.

The square root of 4452445 is about 2110.0817519708. The cubic root of 4452445 is about 164.5127344841.

Adding to 4452445 its reverse (5442544), we get a palindrome (9894989).

Subtracting 4452445 from its reverse (5442544), we obtain a palindrome (990099).

The spelling of 4452445 in words is "four million, four hundred fifty-two thousand, four hundred forty-five".