45045443 has 2 divisors, whose sum is σ = 45045444. Its totient is φ = 45045442.

The previous prime is 45045401. The next prime is 45045479. The reversal of 45045443 is 34454054.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45045443 - 2¹⁴ = 45029059 is a prime.

It is a nialpdrome in base 13.

It is not a weakly prime, because it can be changed into another prime (45045493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22522721 + 22522722.

It is an arithmetic number, because the mean of its divisors is an integer number (22522722).

Almost surely, 2^45045443 is an apocalyptic number.

45045443 is a deficient number, since it is larger than the sum of its proper divisors (1).

45045443 is an equidigital number, since it uses as much as digits as its factorization.

45045443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19200, while the sum is 29.

The square root of 45045443 is about 6711.5901990512. The cubic root of 45045443 is about 355.8090204667.

Adding to 45045443 its reverse (34454054), we get a palindrome (79499497).

The spelling of 45045443 in words is "forty-five million, forty-five thousand, four hundred forty-three".