45531663 has 8 divisors (see below), whose sum is σ = 60803376. Its totient is φ = 30307200.

The previous prime is 45531649. The next prime is 45531667. The reversal of 45531663 is 36613554.

45531663 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 45531663 - 2⁵ = 45531631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45531667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9498 + ... + 13463.

It is an arithmetic number, because the mean of its divisors is an integer number (7600422).

Almost surely, 2^45531663 is an apocalyptic number.

45531663 is a deficient number, since it is larger than the sum of its proper divisors (15271713).

45531663 is a wasteful number, since it uses less digits than its factorization.

45531663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23625.

The product of its digits is 32400, while the sum is 33.

The square root of 45531663 is about 6747.7153911528. The cubic root of 45531663 is about 357.0846412463.

It can be divided in two parts, 4553 and 1663, that added together give a triangular number (6216 = T₁₁₁).

The spelling of 45531663 in words is "forty-five million, five hundred thirty-one thousand, six hundred sixty-three".