45318443 has 2 divisors, whose sum is σ = 45318444. Its totient is φ = 45318442.

The previous prime is 45318433. The next prime is 45318467. The reversal of 45318443 is 34481354.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45318443 is a prime.

It is a super-2 number, since 2×45318443² = 4107522551888498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (45318433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22659221 + 22659222.

It is an arithmetic number, because the mean of its divisors is an integer number (22659222).

Almost surely, 2^45318443 is an apocalyptic number.

45318443 is a deficient number, since it is larger than the sum of its proper divisors (1).

45318443 is an equidigital number, since it uses as much as digits as its factorization.

45318443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23040, while the sum is 32.

The square root of 45318443 is about 6731.8974294028. The cubic root of 45318443 is about 356.5263722641.

Adding to 45318443 its reverse (34481354), we get a palindrome (79799797).

The spelling of 45318443 in words is "forty-five million, three hundred eighteen thousand, four hundred forty-three".