4543545 has 8 divisors (see below), whose sum is σ = 7269696. Its totient is φ = 2423216.

The previous prime is 4543543. The next prime is 4543549. The reversal of 4543545 is 5453454.

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

It is a cyclic number.

It is not a de Polignac number, because 4543545 - 2¹ = 4543543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4543543) 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, 151437 + ... + 151466.

It is an arithmetic number, because the mean of its divisors is an integer number (908712).

Almost surely, 2^4543545 is an apocalyptic number.

It is an amenable number.

4543545 is a deficient number, since it is larger than the sum of its proper divisors (2726151).

4543545 is a wasteful number, since it uses less digits than its factorization.

4543545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302911.

The product of its digits is 24000, while the sum is 30.

The square root of 4543545 is about 2131.5592884084. The cubic root of 4543545 is about 165.6271814119.

Adding to 4543545 its reverse (5453454), we get a palindrome (9996999).

Subtracting 4543545 from its reverse (5453454), we obtain a palindrome (909909).

The spelling of 4543545 in words is "four million, five hundred forty-three thousand, five hundred forty-five".