45163643 has 24 divisors (see below), whose sum is σ = 55882800. Its totient is φ = 36324288.

The previous prime is 45163639. The next prime is 45163711. The reversal of 45163643 is 34636154.

45163643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 45163643 - 2² = 45163639 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45163603) 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 23 ways as a sum of consecutive naturals, for example, 52148 + ... + 53006.

It is an arithmetic number, because the mean of its divisors is an integer number (2328450).

Almost surely, 2^45163643 is an apocalyptic number.

45163643 is a deficient number, since it is larger than the sum of its proper divisors (10719157).

45163643 is a wasteful number, since it uses less digits than its factorization.

45163643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 939 (or 932 counting only the distinct ones).

The product of its digits is 25920, while the sum is 32.

The square root of 45163643 is about 6720.3900928443. The cubic root of 45163643 is about 356.1199649351.

Adding to 45163643 its reverse (34636154), we get a palindrome (79799797).

The spelling of 45163643 in words is "forty-five million, one hundred sixty-three thousand, six hundred forty-three".