45745018 has 24 divisors (see below), whose sum is σ = 75770100. Its totient is φ = 20697600.

The previous prime is 45745013. The next prime is 45745067. The reversal of 45745018 is 81054754.

45745018 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 41692849 + 4052169 = 6457^2 + 2013^2 .

It is not an unprimeable number, because it can be changed into a prime (45745013) 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 11 ways as a sum of consecutive naturals, for example, 101658 + ... + 102106.

Almost surely, 2^45745018 is an apocalyptic number.

45745018 is a deficient number, since it is larger than the sum of its proper divisors (30025082).

45745018 is a wasteful number, since it uses less digits than its factorization.

45745018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 894 (or 883 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 34.

The square root of 45745018 is about 6763.5063391705. The cubic root of 45745018 is about 357.6415218783.

The spelling of 45745018 in words is "forty-five million, seven hundred forty-five thousand, eighteen".