204331345 has 8 divisors (see below), whose sum is σ = 246360960. Its totient is φ = 162689520.

The previous prime is 204331343. The next prime is 204331363. The reversal of 204331345 is 543133402.

204331345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 204331345 - 2¹ = 204331343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (204331343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95785 + ... + 97894.

It is an arithmetic number, because the mean of its divisors is an integer number (30795120).

Almost surely, 2^204331345 is an apocalyptic number.

It is an amenable number.

204331345 is a deficient number, since it is larger than the sum of its proper divisors (42029615).

204331345 is a wasteful number, since it uses less digits than its factorization.

204331345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193895.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 204331345 is about 14294.4515459671. The cubic root of 204331345 is about 588.9950766478.

Adding to 204331345 its reverse (543133402), we get a palindrome (747464747).

The spelling of 204331345 in words is "two hundred four million, three hundred thirty-one thousand, three hundred forty-five".