204344245 has 16 divisors (see below), whose sum is σ = 280592640. Its totient is φ = 139947264.

The previous prime is 204344227. The next prime is 204344249. The reversal of 204344245 is 542443402.

204344245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 204344245 - 2⁷ = 204344117 is a prime.

It is a super-4 number, since 4×204344245⁴ (a number of 34 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204344249) 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, 28989 + ... + 35341.

It is an arithmetic number, because the mean of its divisors is an integer number (17537040).

Almost surely, 2^204344245 is an apocalyptic number.

It is an amenable number.

204344245 is a deficient number, since it is larger than the sum of its proper divisors (76248395).

204344245 is an equidigital number, since it uses as much as digits as its factorization.

204344245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7284.

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

The square root of 204344245 is about 14294.9027628732. The cubic root of 204344245 is about 589.0074713469.

Adding to 204344245 its reverse (542443402), we get a palindrome (746787647).

The spelling of 204344245 in words is "two hundred four million, three hundred forty-four thousand, two hundred forty-five".