304316145 has 48 divisors (see below), whose sum is σ = 617565312. Its totient is φ = 135717120.

The previous prime is 304316113. The next prime is 304316161. The reversal of 304316145 is 541613403.

304316145 is a `hidden beast` number, since 3 + 0 + 43 + 1 + 614 + 5 = 666.

It is not a de Polignac number, because 304316145 - 2⁵ = 304316113 is a prime.

It is a super-2 number, since 2×304316145² = 185216632215322050, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1134 + ... + 24696.

It is an arithmetic number, because the mean of its divisors is an integer number (12865944).

Almost surely, 2^304316145 is an apocalyptic number.

304316145 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

304316145 is an abundant number, since it is smaller than the sum of its proper divisors (313249167).

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

304316145 is a wasteful number, since it uses less digits than its factorization.

304316145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23622 (or 23619 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 304316145 is about 17444.6594979667. The cubic root of 304316145 is about 672.6280865096.

Adding to 304316145 its reverse (541613403), we get a palindrome (845929548).

The spelling of 304316145 in words is "three hundred four million, three hundred sixteen thousand, one hundred forty-five".