2045502243 has 6 divisors (see below), whose sum is σ = 2954614364. Its totient is φ = 1363668156.

The previous prime is 2045502223. The next prime is 2045502253. The reversal of 2045502243 is 3422055402.

It is a happy number.

It is not a de Polignac number, because 2045502243 - 2¹⁶ = 2045436707 is a prime.

It is a super-2 number, since 2×2045502243² = 8368158852236062098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2045502223) 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 5 ways as a sum of consecutive naturals, for example, 113639005 + ... + 113639022.

Almost surely, 2^2045502243 is an apocalyptic number.

2045502243 is a deficient number, since it is larger than the sum of its proper divisors (909112121).

2045502243 is a wasteful number, since it uses less digits than its factorization.

2045502243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227278033 (or 227278030 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 2045502243 is about 45227.2289997961. The cubic root of 2045502243 is about 1269.4043630493.

Adding to 2045502243 its reverse (3422055402), we get a palindrome (5467557645).

The spelling of 2045502243 in words is "two billion, forty-five million, five hundred two thousand, two hundred forty-three".