45405324243 has 24 divisors (see below), whose sum is σ = 66871677600. Its totient is φ = 29677415040.

The previous prime is 45405324229. The next prime is 45405324247. The reversal of 45405324243 is 34242350454.

45405324243 is a `hidden beast` number, since 4 + 5 + 40 + 532 + 42 + 43 = 666.

45405324243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 45405324243 - 2⁴ = 45405324227 is a prime.

It is a super-2 number, since 2×45405324243² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45405324198 and 45405324207.

It is not an unprimeable number, because it can be changed into a prime (45405324247) 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, 633303 + ... + 701343.

It is an arithmetic number, because the mean of its divisors is an integer number (2786319900).

Almost surely, 2^45405324243 is an apocalyptic number.

45405324243 is a deficient number, since it is larger than the sum of its proper divisors (21466353357).

45405324243 is a wasteful number, since it uses less digits than its factorization.

45405324243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69499 (or 69496 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 36.

Adding to 45405324243 its reverse (34242350454), we get a palindrome (79647674697).

The spelling of 45405324243 in words is "forty-five billion, four hundred five million, three hundred twenty-four thousand, two hundred forty-three".