2045133199 has 4 divisors (see below), whose sum is σ = 2047793440. Its totient is φ = 2042472960.

The previous prime is 2045133187. The next prime is 2045133221. The reversal of 2045133199 is 9913315402.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2045133199 - 2⁷ = 2045133071 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 (2045133109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1328967 + ... + 1330504.

It is an arithmetic number, because the mean of its divisors is an integer number (511948360).

Almost surely, 2^2045133199 is an apocalyptic number.

2045133199 is a deficient number, since it is larger than the sum of its proper divisors (2660241).

2045133199 is an equidigital number, since it uses as much as digits as its factorization.

2045133199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2660240.

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 2045133199 is about 45223.1489283973. The cubic root of 2045133199 is about 1269.3280176202.

The spelling of 2045133199 in words is "two billion, forty-five million, one hundred thirty-three thousand, one hundred ninety-nine".