45517243 has 2 divisors, whose sum is σ = 45517244. Its totient is φ = 45517242.

The previous prime is 45517237. The next prime is 45517259. The reversal of 45517243 is 34271554.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45517243 - 2¹⁷ = 45386171 is a prime.

It is not a weakly prime, because it can be changed into another prime (45517273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22758621 + 22758622.

It is an arithmetic number, because the mean of its divisors is an integer number (22758622).

Almost surely, 2^45517243 is an apocalyptic number.

45517243 is a deficient number, since it is larger than the sum of its proper divisors (1).

45517243 is an equidigital number, since it uses as much as digits as its factorization.

45517243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16800, while the sum is 31.

The square root of 45517243 is about 6746.6467967428. The cubic root of 45517243 is about 357.0469407110.

Adding to 45517243 its reverse (34271554), we get a palindrome (79788797).

The spelling of 45517243 in words is "forty-five million, five hundred seventeen thousand, two hundred forty-three".