45005543 has 8 divisors (see below), whose sum is σ = 49197456. Its totient is φ = 40830400.

The previous prime is 45005539. The next prime is 45005557. The reversal of 45005543 is 34550054.

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 45005543 - 2² = 45005539 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45001543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1805 + ... + 9657.

It is an arithmetic number, because the mean of its divisors is an integer number (6149682).

Almost surely, 2^45005543 is an apocalyptic number.

45005543 is a deficient number, since it is larger than the sum of its proper divisors (4191913).

45005543 is a wasteful number, since it uses less digits than its factorization.

45005543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8385.

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 45005543 is about 6708.6170706040. The cubic root of 45005543 is about 355.7039341898.

Adding to 45005543 its reverse (34550054), we get a palindrome (79555597).

The spelling of 45005543 in words is "forty-five million, five thousand, five hundred forty-three".