45131644543 has 4 divisors (see below), whose sum is σ = 45186086440. Its totient is φ = 45077202648.

The previous prime is 45131644529. The next prime is 45131644553. The reversal of 45131644543 is 34544613154.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45131644543 - 2⁵ = 45131644511 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45131644496 and 45131644505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45131644553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27219705 + ... + 27221362.

It is an arithmetic number, because the mean of its divisors is an integer number (11296521610).

Almost surely, 2^45131644543 is an apocalyptic number.

45131644543 is a deficient number, since it is larger than the sum of its proper divisors (54441897).

45131644543 is an equidigital number, since it uses as much as digits as its factorization.

45131644543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54441896.

The product of its digits is 345600, while the sum is 40.

The spelling of 45131644543 in words is "forty-five billion, one hundred thirty-one million, six hundred forty-four thousand, five hundred forty-three".