45171644 has 24 divisors (see below), whose sum is σ = 91243488. Its totient is φ = 19166400.

The previous prime is 45171617. The next prime is 45171667. The reversal of 45171644 is 44617154.

45171644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 45171644.

It is a congruent number.

It is an unprimeable number.

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, 5159 + ... + 10814.

It is an arithmetic number, because the mean of its divisors is an integer number (3801812).

Almost surely, 2^45171644 is an apocalyptic number.

It is an amenable number.

45171644 is an abundant number, since it is smaller than the sum of its proper divisors (46071844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45171644 is a wasteful number, since it uses less digits than its factorization.

45171644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16085 (or 16083 counting only the distinct ones).

The product of its digits is 13440, while the sum is 32.

The square root of 45171644 is about 6720.9853444268. The cubic root of 45171644 is about 356.1409932624.

Adding to 45171644 its reverse (44617154), we get a palindrome (89788798).

The spelling of 45171644 in words is "forty-five million, one hundred seventy-one thousand, six hundred forty-four".