2192145 has 16 divisors (see below), whose sum is σ = 3568320. Its totient is φ = 1148864.

The previous prime is 2192143. The next prime is 2192161. The reversal of 2192145 is 5412912.

It is a cyclic number.

It is not a de Polignac number, because 2192145 - 2¹ = 2192143 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2192143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 354 + ... + 2123.

It is an arithmetic number, because the mean of its divisors is an integer number (223020).

2^2192145 is an apocalyptic number.

It is an amenable number.

2192145 is a deficient number, since it is larger than the sum of its proper divisors (1376175).

2192145 is a wasteful number, since it uses less digits than its factorization.

2192145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2544.

The product of its digits is 720, while the sum is 24.

The square root of 2192145 is about 1480.5894096609. The cubic root of 2192145 is about 129.9041700071.

The spelling of 2192145 in words is "two million, one hundred ninety-two thousand, one hundred forty-five".