45533745 has 20 divisors (see below), whose sum is σ = 81624180. Its totient is φ = 24284448.

The previous prime is 45533723. The next prime is 45533749. The reversal of 45533745 is 54733554.

45533745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 25040016 + 20493729 = 5004^2 + 4527^2 .

It is not a de Polignac number, because 45533745 - 2⁸ = 45533489 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (45533749) 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 19 ways as a sum of consecutive naturals, for example, 55810 + ... + 56619.

It is an arithmetic number, because the mean of its divisors is an integer number (4081209).

Almost surely, 2^45533745 is an apocalyptic number.

45533745 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

45533745 is a deficient number, since it is larger than the sum of its proper divisors (36090435).

45533745 is a wasteful number, since it uses less digits than its factorization.

45533745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112446 (or 112437 counting only the distinct ones).

The product of its digits is 126000, while the sum is 36.

The square root of 45533745 is about 6747.8696638272. The cubic root of 45533745 is about 357.0900838976.

The spelling of 45533745 in words is "forty-five million, five hundred thirty-three thousand, seven hundred forty-five".