304045005 has 32 divisors (see below), whose sum is σ = 531578880. Its totient is φ = 147170880.

The previous prime is 304045003. The next prime is 304045013. The reversal of 304045005 is 500540403.

It is a happy number.

It is not a de Polignac number, because 304045005 - 2¹ = 304045003 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304045003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 134676 + ... + 136914.

It is an arithmetic number, because the mean of its divisors is an integer number (16611840).

Almost surely, 2^304045005 is an apocalyptic number.

It is an amenable number.

304045005 is a deficient number, since it is larger than the sum of its proper divisors (227533875).

304045005 is a wasteful number, since it uses less digits than its factorization.

304045005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3081.

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 304045005 is about 17436.8863332878. The cubic root of 304045005 is about 672.4282607978.

Adding to 304045005 its reverse (500540403), we get a palindrome (804585408).

The spelling of 304045005 in words is "three hundred four million, forty-five thousand, five".