2045033243 has 4 divisors (see below), whose sum is σ = 2230945368. Its totient is φ = 1859121120.

The previous prime is 2045033209. The next prime is 2045033261. The reversal of 2045033243 is 3423305402.

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 2045033243 - 2⁸ = 2045032987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2045032243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92956046 + ... + 92956067.

It is an arithmetic number, because the mean of its divisors is an integer number (557736342).

Almost surely, 2^2045033243 is an apocalyptic number.

2045033243 is a deficient number, since it is larger than the sum of its proper divisors (185912125).

2045033243 is a wasteful number, since it uses less digits than its factorization.

2045033243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185912124.

The product of its (nonzero) digits is 8640, while the sum is 26.

The square root of 2045033243 is about 45222.0437729212. The cubic root of 2045033243 is about 1269.3073377905.

Adding to 2045033243 its reverse (3423305402), we get a palindrome (5468338645).

The spelling of 2045033243 in words is "two billion, forty-five million, thirty-three thousand, two hundred forty-three".