45645223203 has 24 divisors (see below), whose sum is σ = 66657086496. Its totient is φ = 30096144000.

The previous prime is 45645223163. The next prime is 45645223259. The reversal of 45645223203 is 30232254654.

45645223203 is a `hidden beast` number, since 4 + 5 + 645 + 2 + 2 + 3 + 2 + 0 + 3 = 666.

It is not a de Polignac number, because 45645223203 - 2¹⁰ = 45645222179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45645225203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 824938 + ... + 878528.

It is an arithmetic number, because the mean of its divisors is an integer number (2777378604).

Almost surely, 2^45645223203 is an apocalyptic number.

45645223203 is a deficient number, since it is larger than the sum of its proper divisors (21011863293).

45645223203 is a wasteful number, since it uses less digits than its factorization.

45645223203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54635 (or 54632 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 36.

Adding to 45645223203 its reverse (30232254654), we get a palindrome (75877477857).

The spelling of 45645223203 in words is "forty-five billion, six hundred forty-five million, two hundred twenty-three thousand, two hundred three".