45518233 has 2 divisors, whose sum is σ = 45518234. Its totient is φ = 45518232.

The previous prime is 45518227. The next prime is 45518237. The reversal of 45518233 is 33281554.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33212169 + 12306064 = 5763^2 + 3508^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45518233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45518195 and 45518204.

It is not a weakly prime, because it can be changed into another prime (45518237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22759116 + 22759117.

It is an arithmetic number, because the mean of its divisors is an integer number (22759117).

Almost surely, 2^45518233 is an apocalyptic number.

It is an amenable number.

45518233 is a deficient number, since it is larger than the sum of its proper divisors (1).

45518233 is an equidigital number, since it uses as much as digits as its factorization.

45518233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14400, while the sum is 31.

The square root of 45518233 is about 6746.7201661252. The cubic root of 45518233 is about 357.0495292824.

Adding to 45518233 its reverse (33281554), we get a palindrome (78799787).

The spelling of 45518233 in words is "forty-five million, five hundred eighteen thousand, two hundred thirty-three".