45163823 has 4 divisors (see below), whose sum is σ = 45578280. Its totient is φ = 44749368.

The previous prime is 45163819. The next prime is 45163843. The reversal of 45163823 is 32836154.

45163823 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45163823 - 2² = 45163819 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45163823.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45163813) 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 3 ways as a sum of consecutive naturals, for example, 207065 + ... + 207282.

It is an arithmetic number, because the mean of its divisors is an integer number (11394570).

Almost surely, 2^45163823 is an apocalyptic number.

45163823 is a deficient number, since it is larger than the sum of its proper divisors (414457).

45163823 is a wasteful number, since it uses less digits than its factorization.

45163823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414456.

The product of its digits is 17280, while the sum is 32.

The square root of 45163823 is about 6720.4034849107. The cubic root of 45163823 is about 356.1204380407.

Adding to 45163823 its reverse (32836154), we get a palindrome (77999977).

The spelling of 45163823 in words is "forty-five million, one hundred sixty-three thousand, eight hundred twenty-three".