45645345223 has 8 divisors (see below), whose sum is σ = 48022395120. Its totient is φ = 43328473920.

The previous prime is 45645345127. The next prime is 45645345227. The reversal of 45645345223 is 32254354654.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45645345223 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45645345223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45645345227) 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, 15043093 + ... + 15046126.

It is an arithmetic number, because the mean of its divisors is an integer number (6002799390).

Almost surely, 2^45645345223 is an apocalyptic number.

45645345223 is a deficient number, since it is larger than the sum of its proper divisors (2377049897).

45645345223 is a wasteful number, since it uses less digits than its factorization.

45645345223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30089297.

The product of its digits is 1728000, while the sum is 43.

Adding to 45645345223 its reverse (32254354654), we get a palindrome (77899699877).

The spelling of 45645345223 in words is "forty-five billion, six hundred forty-five million, three hundred forty-five thousand, two hundred twenty-three".