204234445 has 4 divisors (see below), whose sum is σ = 245081340. Its totient is φ = 163387552.

The previous prime is 204234421. The next prime is 204234467. The reversal of 204234445 is 544432402.

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 72948681 + 131285764 = 8541^2 + 11458^2 .

It is a cyclic number.

It is not a de Polignac number, because 204234445 - 2¹¹ = 204232397 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, 20423440 + ... + 20423449.

It is an arithmetic number, because the mean of its divisors is an integer number (61270335).

Almost surely, 2^204234445 is an apocalyptic number.

It is an amenable number.

204234445 is a deficient number, since it is larger than the sum of its proper divisors (40846895).

204234445 is an equidigital number, since it uses as much as digits as its factorization.

204234445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40846894.

The product of its (nonzero) digits is 15360, while the sum is 28.

The square root of 204234445 is about 14291.0617170314. The cubic root of 204234445 is about 588.9019555992.

Adding to 204234445 its reverse (544432402), we get a palindrome (748666847).

The spelling of 204234445 in words is "two hundred four million, two hundred thirty-four thousand, four hundred forty-five".