45543663 has 24 divisors (see below), whose sum is σ = 75990096. Its totient is φ = 25977600.

The previous prime is 45543653. The next prime is 45543683. The reversal of 45543663 is 36634554.

It is not a de Polignac number, because 45543663 - 2¹⁸ = 45281519 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45543643) 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 23 ways as a sum of consecutive naturals, for example, 11848 + ... + 15213.

It is an arithmetic number, because the mean of its divisors is an integer number (3166254).

Almost surely, 2^45543663 is an apocalyptic number.

45543663 is a deficient number, since it is larger than the sum of its proper divisors (30446433).

45543663 is a wasteful number, since it uses less digits than its factorization.

45543663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27095 (or 27092 counting only the distinct ones).

The product of its digits is 129600, while the sum is 36.

The square root of 45543663 is about 6748.6045224179. The cubic root of 45543663 is about 357.1160087169.

The spelling of 45543663 in words is "forty-five million, five hundred forty-three thousand, six hundred sixty-three".