304145100 has 216 divisors, whose sum is σ = 1137427200. Its totient is φ = 66464640.

The previous prime is 304145099. The next prime is 304145137. The reversal of 304145100 is 1541403.

It is a happy number.

304145100 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 71 ways as a sum of consecutive naturals, for example, 143851 + ... + 145949.

Almost surely, 2^304145100 is an apocalyptic number.

304145100 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 304145100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (568713600).

304145100 is an abundant number, since it is smaller than the sum of its proper divisors (833282100).

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

304145100 is a wasteful number, since it uses less digits than its factorization.

304145100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2149 (or 2139 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 304145100 is about 17439.7563056368. The cubic root of 304145100 is about 672.5020429912.

Adding to 304145100 its reverse (1541403), we get a palindrome (305686503).

The spelling of 304145100 in words is "three hundred four million, one hundred forty-five thousand, one hundred".