45843845 has 4 divisors (see below), whose sum is σ = 55012620. Its totient is φ = 36675072.

The previous prime is 45843841. The next prime is 45843857. The reversal of 45843845 is 54834854.

45843845 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, and also an emirpimes, since its reverse is a distinct semiprime: 54834854 = 2 ⋅27417427.

It can be written as a sum of positive squares in 2 ways, for example, as 29408929 + 16434916 = 5423^2 + 4054^2 .

It is a cyclic number.

It is not a de Polignac number, because 45843845 - 2² = 45843841 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45843841) 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, 4584380 + ... + 4584389.

It is an arithmetic number, because the mean of its divisors is an integer number (13753155).

Almost surely, 2^45843845 is an apocalyptic number.

It is an amenable number.

45843845 is a deficient number, since it is larger than the sum of its proper divisors (9168775).

45843845 is an equidigital number, since it uses as much as digits as its factorization.

45843845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9168774.

The product of its digits is 307200, while the sum is 41.

The square root of 45843845 is about 6770.8082973896. The cubic root of 45843845 is about 357.8988848147.

The spelling of 45843845 in words is "forty-five million, eight hundred forty-three thousand, eight hundred forty-five".