304445130 has 32 divisors (see below), whose sum is σ = 797093568. Its totient is φ = 73804800.

The previous prime is 304445111. The next prime is 304445159. The reversal of 304445130 is 31544403.

It is a self number, because there is not a number n which added to its sum of digits gives 304445130.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 460951 + ... + 461610.

It is an arithmetic number, because the mean of its divisors is an integer number (24909174).

Almost surely, 2^304445130 is an apocalyptic number.

304445130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

304445130 is an abundant number, since it is smaller than the sum of its proper divisors (492648438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

304445130 is a wasteful number, since it uses less digits than its factorization.

304445130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922582.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 304445130 is about 17448.3560830240. The cubic root of 304445130 is about 672.7231046679.

Adding to 304445130 its reverse (31544403), we get a palindrome (335989533).

The spelling of 304445130 in words is "three hundred four million, four hundred forty-five thousand, one hundred thirty".