2045303345 has 8 divisors (see below), whose sum is σ = 2457233064. Its totient is φ = 1634329984.

The previous prime is 2045303341. The next prime is 2045303357. The reversal of 2045303345 is 5433035402.

It can be written as a sum of positive squares in 4 ways, for example, as 229946896 + 1815356449 = 15164^2 + 42607^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2045303345 - 2² = 2045303341 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2045303341) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 234374 + ... + 242943.

It is an arithmetic number, because the mean of its divisors is an integer number (307154133).

Almost surely, 2^2045303345 is an apocalyptic number.

It is an amenable number.

2045303345 is a deficient number, since it is larger than the sum of its proper divisors (411929719).

2045303345 is an equidigital number, since it uses as much as digits as its factorization.

2045303345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478179.

The product of its (nonzero) digits is 21600, while the sum is 29.

The square root of 2045303345 is about 45225.0300718529. The cubic root of 2045303345 is about 1269.3632174621.

Adding to 2045303345 its reverse (5433035402), we get a palindrome (7478338747).

The spelling of 2045303345 in words is "two billion, forty-five million, three hundred three thousand, three hundred forty-five".