4543440345 has 48 divisors (see below), whose sum is σ = 8098655760. Its totient is φ = 2354614272.

The previous prime is 4543440331. The next prime is 4543440361. The reversal of 4543440345 is 5430443454.

It can be written as a sum of positive squares in 8 ways, for example, as 222218649 + 4321221696 = 14907^2 + 65736^2 .

It is not a de Polignac number, because 4543440345 - 2⁹ = 4543439833 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1878577 + ... + 1880993.

It is an arithmetic number, because the mean of its divisors is an integer number (168721995).

Almost surely, 2^4543440345 is an apocalyptic number.

4543440345 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4543440345 is a deficient number, since it is larger than the sum of its proper divisors (3555215415).

4543440345 is a wasteful number, since it uses less digits than its factorization.

4543440345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3594 (or 3591 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 36.

The square root of 4543440345 is about 67405.0468807789. The cubic root of 4543440345 is about 1656.2590972895.

Adding to 4543440345 its reverse (5430443454), we get a palindrome (9973883799).

The spelling of 4543440345 in words is "four billion, five hundred forty-three million, four hundred forty thousand, three hundred forty-five".