4545943 has 2 divisors, whose sum is σ = 4545944. Its totient is φ = 4545942.

The previous prime is 4545923. The next prime is 4545967. The reversal of 4545943 is 3495454.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4545943 - 2⁵ = 4545911 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4545899 and 4545908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4545913) 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, 2272971 + 2272972.

It is an arithmetic number, because the mean of its divisors is an integer number (2272972).

Almost surely, 2^4545943 is an apocalyptic number.

4545943 is a deficient number, since it is larger than the sum of its proper divisors (1).

4545943 is an equidigital number, since it uses as much as digits as its factorization.

4545943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43200, while the sum is 34.

The square root of 4545943 is about 2132.1217132237. The cubic root of 4545943 is about 165.6563146201.

The spelling of 4545943 in words is "four million, five hundred forty-five thousand, nine hundred forty-three".