304145212 has 24 divisors (see below), whose sum is σ = 609487200. Its totient is φ = 130091520.

The previous prime is 304145209. The next prime is 304145213. The reversal of 304145212 is 212541403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304145213) 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, 4164 + ... + 25012.

It is an arithmetic number, because the mean of its divisors is an integer number (25395300).

Almost surely, 2^304145212 is an apocalyptic number.

It is an amenable number.

304145212 is an abundant number, since it is smaller than the sum of its proper divisors (305341988).

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

304145212 is a wasteful number, since it uses less digits than its factorization.

304145212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21381 (or 21379 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 304145212 is about 17439.7595166906. The cubic root of 304145212 is about 672.5021255397.

Adding to 304145212 its reverse (212541403), we get a palindrome (516686615).

The spelling of 304145212 in words is "three hundred four million, one hundred forty-five thousand, two hundred twelve".