45775872 has 66 divisors (see below), whose sum is σ = 132203448. Its totient is φ = 15255552.

The previous prime is 45775867. The next prime is 45775889. The reversal of 45775872 is 27857754.

45775872 is a `hidden beast` number, since 4 + 577 + 5 + 8 + 72 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6733 + ... + 11699.

Almost surely, 2^45775872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45775872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66101724).

45775872 is an abundant number, since it is smaller than the sum of its proper divisors (86427576).

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

45775872 is a wasteful number, since it uses less digits than its factorization.

45775872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4993 (or 4972 counting only the distinct ones).

The product of its digits is 548800, while the sum is 45.

The square root of 45775872 is about 6765.7868721975. The cubic root of 45775872 is about 357.7219108987.

The spelling of 45775872 in words is "forty-five million, seven hundred seventy-five thousand, eight hundred seventy-two".