204244445 has 4 divisors (see below), whose sum is σ = 245093340. Its totient is φ = 163395552.

The previous prime is 204244429. The next prime is 204244451. The reversal of 204244445 is 544442402.

204244445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 82119844 + 122124601 = 9062^2 + 11051^2 .

It is a cyclic number.

It is not a de Polignac number, because 204244445 - 2⁴ = 204244429 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20424440 + ... + 20424449.

It is an arithmetic number, because the mean of its divisors is an integer number (61273335).

Almost surely, 2^204244445 is an apocalyptic number.

It is an amenable number.

204244445 is a deficient number, since it is larger than the sum of its proper divisors (40848895).

204244445 is an equidigital number, since it uses as much as digits as its factorization.

204244445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40848894.

The product of its (nonzero) digits is 20480, while the sum is 29.

The square root of 204244445 is about 14291.4115817858. The cubic root of 204244445 is about 588.9115669773.

Adding to 204244445 its reverse (544442402), we get a palindrome (748686847).

The spelling of 204244445 in words is "two hundred four million, two hundred forty-four thousand, four hundred forty-five".