45140423543 has 4 divisors (see below), whose sum is σ = 45175228560. Its totient is φ = 45105618528.

The previous prime is 45140423533. The next prime is 45140423557. The reversal of 45140423543 is 34532404154.

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 45140423543 - 2¹⁴ = 45140407159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45140423533) 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 3 ways as a sum of consecutive naturals, for example, 17400563 + ... + 17403156.

It is an arithmetic number, because the mean of its divisors is an integer number (11293807140).

Almost surely, 2^45140423543 is an apocalyptic number.

45140423543 is a deficient number, since it is larger than the sum of its proper divisors (34805017).

45140423543 is a wasteful number, since it uses less digits than its factorization.

45140423543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34805016.

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 45140423543 its reverse (34532404154), we get a palindrome (79672827697).

The spelling of 45140423543 in words is "forty-five billion, one hundred forty million, four hundred twenty-three thousand, five hundred forty-three".