5445632443 has 4 divisors (see below), whose sum is σ = 5534905168. Its totient is φ = 5356359720.

The previous prime is 5445632431. The next prime is 5445632461. The reversal of 5445632443 is 3442365445.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5445632443 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5445632396 and 5445632405.

It is not an unprimeable number, because it can be changed into a prime (5445632473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44636271 + ... + 44636392.

It is an arithmetic number, because the mean of its divisors is an integer number (1383726292).

Almost surely, 2^5445632443 is an apocalyptic number.

5445632443 is a deficient number, since it is larger than the sum of its proper divisors (89272725).

5445632443 is an equidigital number, since it uses as much as digits as its factorization.

5445632443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89272724.

The product of its digits is 691200, while the sum is 40.

The square root of 5445632443 is about 73794.5285437884. The cubic root of 5445632443 is about 1759.3386421582.

Adding to 5445632443 its reverse (3442365445), we get a palindrome (8887997888).

The spelling of 5445632443 in words is "five billion, four hundred forty-five million, six hundred thirty-two thousand, four hundred forty-three".