45538168 has 16 divisors (see below), whose sum is σ = 91952280. Its totient is φ = 21017568.

The previous prime is 45538153. The next prime is 45538169. The reversal of 45538168 is 86183554.

It is a self number, because there is not a number n which added to its sum of digits gives 45538168.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45538169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 218830 + ... + 219037.

Almost surely, 2^45538168 is an apocalyptic number.

It is an amenable number.

45538168 is an abundant number, since it is smaller than the sum of its proper divisors (46414112).

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

45538168 is a wasteful number, since it uses less digits than its factorization.

45538168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437886 (or 437882 counting only the distinct ones).

The product of its digits is 115200, while the sum is 40.

The square root of 45538168 is about 6748.1973889328. The cubic root of 45538168 is about 357.1016457133.

It can be divided in two parts, 4553 and 8168, that added together give a palindrome (12721).

The spelling of 45538168 in words is "forty-five million, five hundred thirty-eight thousand, one hundred sixty-eight".