45443543 has 2 divisors, whose sum is σ = 45443544. Its totient is φ = 45443542.

The previous prime is 45443537. The next prime is 45443557. The reversal of 45443543 is 34534454.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45443543 - 2⁴ = 45443527 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45443143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22721771 + 22721772.

It is an arithmetic number, because the mean of its divisors is an integer number (22721772).

Almost surely, 2^45443543 is an apocalyptic number.

45443543 is a deficient number, since it is larger than the sum of its proper divisors (1).

45443543 is an equidigital number, since it uses as much as digits as its factorization.

45443543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 57600, while the sum is 32.

The square root of 45443543 is about 6741.1826113821. The cubic root of 45443543 is about 356.8541304481.

Adding to 45443543 its reverse (34534454), we get a palindrome (79977997).

The spelling of 45443543 in words is "forty-five million, four hundred forty-three thousand, five hundred forty-three".