2304145 has 4 divisors (see below), whose sum is σ = 2764980. Its totient is φ = 1843312.

The previous prime is 2304139. The next prime is 2304157. The reversal of 2304145 is 5414032.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1700416 + 603729 = 1304^2 + 777^2 .

It is a cyclic number.

It is not a de Polignac number, because 2304145 - 2⁷ = 2304017 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 230410 + ... + 230419.

It is an arithmetic number, because the mean of its divisors is an integer number (691245).

2^2304145 is an apocalyptic number.

It is an amenable number.

2304145 is a deficient number, since it is larger than the sum of its proper divisors (460835).

2304145 is an equidigital number, since it uses as much as digits as its factorization.

2304145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460834.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 2304145 is about 1517.9410396982. The cubic root of 2304145 is about 132.0798606121.

Adding to 2304145 its reverse (5414032), we get a palindrome (7718177).

The spelling of 2304145 in words is "two million, three hundred four thousand, one hundred forty-five".