4045320345 has 64 divisors (see below), whose sum is σ = 7346764800. Its totient is φ = 1882755840.

The previous prime is 4045320341. The next prime is 4045320397. The reversal of 4045320345 is 5430235404.

4045320345 is nontrivially palindromic in base 12.

4045320345 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4045320345 - 2² = 4045320341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4045320341) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 854154 + ... + 858876.

It is an arithmetic number, because the mean of its divisors is an integer number (114793200).

Almost surely, 2^4045320345 is an apocalyptic number.

It is an amenable number.

4045320345 is a deficient number, since it is larger than the sum of its proper divisors (3301444455).

4045320345 is a wasteful number, since it uses less digits than its factorization.

4045320345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4950.

The product of its (nonzero) digits is 28800, while the sum is 30.

The square root of 4045320345 is about 63602.8328378540. The cubic root of 4045320345 is about 1593.3736819154.

Adding to 4045320345 its reverse (5430235404), we get a palindrome (9475555749).

The spelling of 4045320345 in words is "four billion, forty-five million, three hundred twenty thousand, three hundred forty-five".