2045199 has 12 divisors (see below), whose sum is σ = 2949576. Its totient is φ = 1253088.

The previous prime is 2045191. The next prime is 2045213. The reversal of 2045199 is 9915402.

It is a happy number.

It is not a de Polignac number, because 2045199 - 2³ = 2045191 is a prime.

2045199 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2045191) 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 11 ways as a sum of consecutive naturals, for example, 8817 + ... + 9045.

It is an arithmetic number, because the mean of its divisors is an integer number (245798).

2^2045199 is an apocalyptic number.

2045199 is a deficient number, since it is larger than the sum of its proper divisors (904377).

2045199 is an equidigital number, since it uses as much as digits as its factorization.

2045199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474 (or 245 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 2045199 is about 1430.1045416332. The cubic root of 2045199 is about 126.9341630777.

The spelling of 2045199 in words is "two million, forty-five thousand, one hundred ninety-nine".