304045030 has 24 divisors (see below), whose sum is σ = 577608192. Its totient is φ = 115215696.

The previous prime is 304045013. The next prime is 304045037. The reversal of 304045030 is 30540403.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 304044989 and 304045007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304045037) 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 11 ways as a sum of consecutive naturals, for example, 38502 + ... + 45721.

It is an arithmetic number, because the mean of its divisors is an integer number (24067008).

Almost surely, 2^304045030 is an apocalyptic number.

304045030 is a deficient number, since it is larger than the sum of its proper divisors (273563162).

304045030 is a wasteful number, since it uses less digits than its factorization.

304045030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84268 (or 84249 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 304045030 is about 17436.8870501589. The cubic root of 304045030 is about 672.4282792278.

Adding to 304045030 its reverse (30540403), we get a palindrome (334585433).

The spelling of 304045030 in words is "three hundred four million, forty-five thousand, thirty".