45545543 has 8 divisors (see below), whose sum is σ = 47832288. Its totient is φ = 43284384.

The previous prime is 45545531. The next prime is 45545561. The reversal of 45545543 is 34554554.

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-45545543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45545443) 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, 2696 + ... + 9917.

It is an arithmetic number, because the mean of its divisors is an integer number (5979036).

Almost surely, 2^45545543 is an apocalyptic number.

45545543 is a deficient number, since it is larger than the sum of its proper divisors (2286745).

45545543 is a wasteful number, since it uses less digits than its factorization.

45545543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12793.

The product of its digits is 120000, while the sum is 35.

The square root of 45545543 is about 6748.7438090359. The cubic root of 45545543 is about 357.1209224548.

The spelling of 45545543 in words is "forty-five million, five hundred forty-five thousand, five hundred forty-three".