4545543 has 8 divisors (see below), whose sum is σ = 6102000. Its totient is φ = 3009728.

The previous prime is 4545521. The next prime is 4545551. The reversal of 4545543 is 3455454.

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 4545543 - 2⁶ = 4545479 is a prime.

It is a super-2 number, since 2×4545543² = 41323922329698, which contains 22 as substring.

4545543 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 4545543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4545643) 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, 4638 + ... + 5531.

It is an arithmetic number, because the mean of its divisors is an integer number (762750).

Almost surely, 2^4545543 is an apocalyptic number.

4545543 is a deficient number, since it is larger than the sum of its proper divisors (1556457).

4545543 is a wasteful number, since it uses less digits than its factorization.

4545543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10321.

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

The square root of 4545543 is about 2132.0279078849. The cubic root of 4545543 is about 165.6514557478.

The spelling of 4545543 in words is "four million, five hundred forty-five thousand, five hundred forty-three".