45143405243 has 4 divisors (see below), whose sum is σ = 47519373960. Its totient is φ = 42767436528.

The previous prime is 45143405233. The next prime is 45143405261. The reversal of 45143405243 is 34250434154.

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

It is not a de Polignac number, because 45143405243 - 2²² = 45139210939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45143405233) 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, 1187984330 + ... + 1187984367.

It is an arithmetic number, because the mean of its divisors is an integer number (11879843490).

Almost surely, 2^45143405243 is an apocalyptic number.

45143405243 is a deficient number, since it is larger than the sum of its proper divisors (2375968717).

45143405243 is a wasteful number, since it uses less digits than its factorization.

45143405243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2375968716.

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

Adding to 45143405243 its reverse (34250434154), we get a palindrome (79393839397).

The spelling of 45143405243 in words is "forty-five billion, one hundred forty-three million, four hundred five thousand, two hundred forty-three".