4540443 has 8 divisors (see below), whose sum is σ = 6262800. Its totient is φ = 2922528.

The previous prime is 4540439. The next prime is 4540469. The reversal of 4540443 is 3440454.

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

It is not a de Polignac number, because 4540443 - 2² = 4540439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4540423) 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, 26008 + ... + 26181.

It is an arithmetic number, because the mean of its divisors is an integer number (782850).

Almost surely, 2^4540443 is an apocalyptic number.

4540443 is a deficient number, since it is larger than the sum of its proper divisors (1722357).

4540443 is a wasteful number, since it uses less digits than its factorization.

4540443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52221.

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 4540443 is about 2130.8315278313. The cubic root of 4540443 is about 165.5894801247.

Adding to 4540443 its reverse (3440454), we get a palindrome (7980897).

The spelling of 4540443 in words is "four million, five hundred forty thousand, four hundred forty-three".