4544245 has 4 divisors (see below), whose sum is σ = 5453100. Its totient is φ = 3635392.

The previous prime is 4544233. The next prime is 4544261. The reversal of 4544245 is 5424454.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3048516 + 1495729 = 1746^2 + 1223^2 .

It is a cyclic number.

It is not a de Polignac number, because 4544245 - 2¹⁷ = 4413173 is a prime.

4544245 is a lucky number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 454420 + ... + 454429.

It is an arithmetic number, because the mean of its divisors is an integer number (1363275).

Almost surely, 2^4544245 is an apocalyptic number.

It is an amenable number.

4544245 is a deficient number, since it is larger than the sum of its proper divisors (908855).

4544245 is an equidigital number, since it uses as much as digits as its factorization.

4544245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 908854.

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

The square root of 4544245 is about 2131.7234811298. The cubic root of 4544245 is about 165.6356867437.

Adding to 4544245 its reverse (5424454), we get a palindrome (9968699).

The spelling of 4544245 in words is "four million, five hundred forty-four thousand, two hundred forty-five".