204044145 has 32 divisors (see below), whose sum is σ = 342817920. Its totient is φ = 103488000.

The previous prime is 204044143. The next prime is 204044147. The reversal of 204044145 is 541440402.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (204044143) and next prime (204044147).

It is not a de Polignac number, because 204044145 - 2¹ = 204044143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (204044143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25645 + ... + 32645.

It is an arithmetic number, because the mean of its divisors is an integer number (10713060).

Almost surely, 2^204044145 is an apocalyptic number.

It is an amenable number.

204044145 is a deficient number, since it is larger than the sum of its proper divisors (138773775).

204044145 is a wasteful number, since it uses less digits than its factorization.

204044145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7105.

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 204044145 is about 14284.4021575983. The cubic root of 204044145 is about 588.7189912491.

Adding to 204044145 its reverse (541440402), we get a palindrome (745484547).

The spelling of 204044145 in words is "two hundred four million, forty-four thousand, one hundred forty-five".