3243445345 has 32 divisors (see below), whose sum is σ = 4578575616. Its totient is φ = 2159136000.

The previous prime is 3243445333. The next prime is 3243445397. The reversal of 3243445345 is 5435443423.

It is not a de Polignac number, because 3243445345 - 2⁹ = 3243444833 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 633295 + ... + 638395.

It is an arithmetic number, because the mean of its divisors is an integer number (143080488).

Almost surely, 2^3243445345 is an apocalyptic number.

3243445345 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3243445345 is a deficient number, since it is larger than the sum of its proper divisors (1335130271).

3243445345 is a wasteful number, since it uses less digits than its factorization.

3243445345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5641.

The product of its digits is 345600, while the sum is 37.

The square root of 3243445345 is about 56951.2541126181. The cubic root of 3243445345 is about 1480.2515619682.

Adding to 3243445345 its reverse (5435443423), we get a palindrome (8678888768).

The spelling of 3243445345 in words is "three billion, two hundred forty-three million, four hundred forty-five thousand, three hundred forty-five".