204410145 has 16 divisors (see below), whose sum is σ = 327248640. Its totient is φ = 108954624.

The previous prime is 204410123. The next prime is 204410149. The reversal of 204410145 is 541014402.

It is a happy number.

It is not a de Polignac number, because 204410145 - 2⁶ = 204410081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (204410149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33921 + ... + 39489.

It is an arithmetic number, because the mean of its divisors is an integer number (20453040).

Almost surely, 2^204410145 is an apocalyptic number.

It is an amenable number.

204410145 is a deficient number, since it is larger than the sum of its proper divisors (122838495).

204410145 is a wasteful number, since it uses less digits than its factorization.

204410145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8024.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 204410145 is about 14297.2075944920. The cubic root of 204410145 is about 589.0707818657.

Adding to 204410145 its reverse (541014402), we get a palindrome (745424547).

The spelling of 204410145 in words is "two hundred four million, four hundred ten thousand, one hundred forty-five".