4545523543 has 8 divisors (see below), whose sum is σ = 4996607616. Its totient is φ = 4100748600.

The previous prime is 4545523523. The next prime is 4545523561. The reversal of 4545523543 is 3453255454.

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-4545523543 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4545523496 and 4545523505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4545523513) 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, 1575771 + ... + 1578652.

It is an arithmetic number, because the mean of its divisors is an integer number (624575952).

Almost surely, 2^4545523543 is an apocalyptic number.

4545523543 is a deficient number, since it is larger than the sum of its proper divisors (451084073).

4545523543 is a wasteful number, since it uses less digits than its factorization.

4545523543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3154565.

The product of its digits is 720000, while the sum is 40.

The square root of 4545523543 is about 67420.4979438746. The cubic root of 4545523543 is about 1656.5121939285.

Adding to 4545523543 its reverse (3453255454), we get a palindrome (7998778997).

The spelling of 4545523543 in words is "four billion, five hundred forty-five million, five hundred twenty-three thousand, five hundred forty-three".