45643043 has 2 divisors, whose sum is σ = 45643044. Its totient is φ = 45643042.

The previous prime is 45643033. The next prime is 45643099. The reversal of 45643043 is 34034654.

45643043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45643043 - 2⁶ = 45642979 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45642997 and 45643015.

It is not a weakly prime, because it can be changed into another prime (45643033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22821521 + 22821522.

It is an arithmetic number, because the mean of its divisors is an integer number (22821522).

Almost surely, 2^45643043 is an apocalyptic number.

45643043 is a deficient number, since it is larger than the sum of its proper divisors (1).

45643043 is an equidigital number, since it uses as much as digits as its factorization.

45643043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 29.

The square root of 45643043 is about 6755.9635138150. The cubic root of 45643043 is about 357.3755721314.

Adding to 45643043 its reverse (34034654), we get a palindrome (79677697).

The spelling of 45643043 in words is "forty-five million, six hundred forty-three thousand, forty-three".