2160445 has 16 divisors (see below), whose sum is σ = 3138048. Its totient is φ = 1393920.

The previous prime is 2160443. The next prime is 2160461. The reversal of 2160445 is 5440612.

It is not a de Polignac number, because 2160445 - 2¹ = 2160443 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2160443) 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 in 15 ways as a sum of consecutive naturals, for example, 1221 + ... + 2410.

It is an arithmetic number, because the mean of its divisors is an integer number (196128).

2^2160445 is an apocalyptic number.

It is an amenable number.

2160445 is a deficient number, since it is larger than the sum of its proper divisors (977603).

2160445 is a wasteful number, since it uses less digits than its factorization.

2160445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3660.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 2160445 is about 1469.8452299477. The cubic root of 2160445 is about 129.2749578612.

The spelling of 2160445 in words is "two million, one hundred sixty thousand, four hundred forty-five".