204034345 has 8 divisors (see below), whose sum is σ = 244918080. Its totient is φ = 163176240.

The previous prime is 204034339. The next prime is 204034367. The reversal of 204034345 is 543430402.

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

It is a de Polignac number, because none of the positive numbers 2^k-204034345 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26260 + ... + 33130.

It is an arithmetic number, because the mean of its divisors is an integer number (30614760).

Almost surely, 2^204034345 is an apocalyptic number.

It is an amenable number.

204034345 is a deficient number, since it is larger than the sum of its proper divisors (40883735).

204034345 is an equidigital number, since it uses as much as digits as its factorization.

204034345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12815.

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 204034345 is about 14284.0591219723. The cubic root of 204034345 is about 588.7095659383.

Adding to 204034345 its reverse (543430402), we get a palindrome (747464747).

The spelling of 204034345 in words is "two hundred four million, thirty-four thousand, three hundred forty-five".