45859909 has 4 divisors (see below), whose sum is σ = 47099404. Its totient is φ = 44620416.

The previous prime is 45859889. The next prime is 45859937. The reversal of 45859909 is 90995854.

45859909 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 37478884 + 8381025 = 6122^2 + 2895^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45859909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45859949) 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, 619692 + ... + 619765.

It is an arithmetic number, because the mean of its divisors is an integer number (11774851).

Almost surely, 2^45859909 is an apocalyptic number.

It is an amenable number.

45859909 is a deficient number, since it is larger than the sum of its proper divisors (1239495).

45859909 is a wasteful number, since it uses less digits than its factorization.

45859909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1239494.

The product of its (nonzero) digits is 583200, while the sum is 49.

The square root of 45859909 is about 6771.9944624904. The cubic root of 45859909 is about 357.9406833468.

The spelling of 45859909 in words is "forty-five million, eight hundred fifty-nine thousand, nine hundred nine".