45039843 has 12 divisors (see below), whose sum is σ = 65217568. Its totient is φ = 29952720.

The previous prime is 45039811. The next prime is 45039847. The reversal of 45039843 is 34893054.

45039843 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 45039843 - 2⁵ = 45039811 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45039798 and 45039807.

It is not an unprimeable number, because it can be changed into a prime (45039847) 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, 2155 + ... + 9732.

Almost surely, 2^45039843 is an apocalyptic number.

45039843 is a deficient number, since it is larger than the sum of its proper divisors (20177725).

45039843 is a wasteful number, since it uses less digits than its factorization.

45039843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12314 (or 12311 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 45039843 is about 6711.1729973232. The cubic root of 45039843 is about 355.7942752601.

The spelling of 45039843 in words is "forty-five million, thirty-nine thousand, eight hundred forty-three".