545434343 has 2 divisors, whose sum is σ = 545434344. Its totient is φ = 545434342.

The previous prime is 545434297. The next prime is 545434361. The reversal of 545434343 is 343434545.

545434343 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 545434343 - 2¹⁶ = 545368807 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (545434363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272717171 + 272717172.

It is an arithmetic number, because the mean of its divisors is an integer number (272717172).

Almost surely, 2^545434343 is an apocalyptic number.

545434343 is a deficient number, since it is larger than the sum of its proper divisors (1).

545434343 is an equidigital number, since it uses as much as digits as its factorization.

545434343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 172800, while the sum is 35.

The square root of 545434343 is about 23354.5358121287. The cubic root of 545434343 is about 817.0478531668.

Adding to 545434343 its reverse (343434545), we get a palindrome (888868888).

The spelling of 545434343 in words is "five hundred forty-five million, four hundred thirty-four thousand, three hundred forty-three".