2160445345 has 16 divisors (see below), whose sum is σ = 2661278400. Its totient is φ = 1682783424.

The previous prime is 2160445327. The next prime is 2160445367. The reversal of 2160445345 is 5435440612.

It is a cyclic number.

It is not a de Polignac number, because 2160445345 - 2⁹ = 2160444833 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2160445345.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 52306 + ... + 84004.

It is an arithmetic number, because the mean of its divisors is an integer number (166329900).

Almost surely, 2^2160445345 is an apocalyptic number.

It is an amenable number.

2160445345 is a deficient number, since it is larger than the sum of its proper divisors (500833055).

2160445345 is a wasteful number, since it uses less digits than its factorization.

2160445345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32064.

The product of its (nonzero) digits is 57600, while the sum is 34.

The square root of 2160445345 is about 46480.5910569132. The cubic root of 2160445345 is about 1292.7496474251.

Adding to 2160445345 its reverse (5435440612), we get a palindrome (7595885957).

The spelling of 2160445345 in words is "two billion, one hundred sixty million, four hundred forty-five thousand, three hundred forty-five".