2045363305 has 4 divisors (see below), whose sum is σ = 2454435972. Its totient is φ = 1636290640.

The previous prime is 2045363263. The next prime is 2045363317. The reversal of 2045363305 is 5033635402.

It is a happy number.

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 342398016 + 1702965289 = 18504^2 + 41267^2 .

It is not a de Polignac number, because 2045363305 - 2⁹ = 2045362793 is a prime.

It is a super-2 number, since 2×2045363305² = 8367022098881046050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204536326 + ... + 204536335.

It is an arithmetic number, because the mean of its divisors is an integer number (613608993).

Almost surely, 2^2045363305 is an apocalyptic number.

It is an amenable number.

2045363305 is a deficient number, since it is larger than the sum of its proper divisors (409072667).

2045363305 is an equidigital number, since it uses as much as digits as its factorization.

2045363305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409072666.

The product of its (nonzero) digits is 32400, while the sum is 31.

The square root of 2045363305 is about 45225.6929742376. The cubic root of 2045363305 is about 1269.3756215349.

Adding to 2045363305 its reverse (5033635402), we get a palindrome (7078998707).

The spelling of 2045363305 in words is "two billion, forty-five million, three hundred sixty-three thousand, three hundred five".