45540673 has 4 divisors (see below), whose sum is σ = 46771540. Its totient is φ = 44309808.

The previous prime is 45540659. The next prime is 45540679. The reversal of 45540673 is 37604554.

It is a happy number.

45540673 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 26286129 + 19254544 = 5127^2 + 4388^2 .

It is a cyclic number.

It is not a de Polignac number, because 45540673 - 2⁵ = 45540641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45540679) 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 3 ways as a sum of consecutive naturals, for example, 615378 + ... + 615451.

It is an arithmetic number, because the mean of its divisors is an integer number (11692885).

Almost surely, 2^45540673 is an apocalyptic number.

It is an amenable number.

45540673 is a deficient number, since it is larger than the sum of its proper divisors (1230867).

45540673 is a wasteful number, since it uses less digits than its factorization.

45540673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1230866.

The product of its (nonzero) digits is 50400, while the sum is 34.

The square root of 45540673 is about 6748.3829915025. The cubic root of 45540673 is about 357.1081935043.

The spelling of 45540673 in words is "forty-five million, five hundred forty thousand, six hundred seventy-three".