4045543 has 8 divisors (see below), whose sum is σ = 4235328. Its totient is φ = 3860064.

The previous prime is 4045523. The next prime is 4045549. The reversal of 4045543 is 3455404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4045543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4045549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 930 + ... + 2992.

It is an arithmetic number, because the mean of its divisors is an integer number (529416).

Almost surely, 2^4045543 is an apocalyptic number.

4045543 is a deficient number, since it is larger than the sum of its proper divisors (189785).

4045543 is a wasteful number, since it uses less digits than its factorization.

4045543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2153.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 4045543 is about 2011.3535243711. The cubic root of 4045543 is about 159.3402914550.

The spelling of 4045543 in words is "four million, forty-five thousand, five hundred forty-three".