45169488 has 200 divisors, whose sum is σ = 161323008. Its totient is φ = 11881728.

The previous prime is 45169483. The next prime is 45169519. The reversal of 45169488 is 88496154.

45169488 is a `hidden beast` number, since 4 + 5 + 169 + 488 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45169483) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 117745 + ... + 118127.

Almost surely, 2^45169488 is an apocalyptic number.

45169488 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45169488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80661504).

45169488 is an abundant number, since it is smaller than the sum of its proper divisors (116153520).

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

45169488 is a wasteful number, since it uses less digits than its factorization.

45169488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423 (or 408 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The square root of 45169488 is about 6720.8249493645. The cubic root of 45169488 is about 356.1353270809.

The spelling of 45169488 in words is "forty-five million, one hundred sixty-nine thousand, four hundred eighty-eight".