45843640 has 16 divisors (see below), whose sum is σ = 103148280. Its totient is φ = 18337440.

The previous prime is 45843631. The next prime is 45843641. The reversal of 45843640 is 4634854.

45843640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 45843596 and 45843605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45843641) 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, 573006 + ... + 573085.

Almost surely, 2^45843640 is an apocalyptic number.

45843640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45843640 is an abundant number, since it is smaller than the sum of its proper divisors (57304640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45843640 is a wasteful number, since it uses less digits than its factorization.

45843640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1146102 (or 1146098 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 34.

The square root of 45843640 is about 6770.7931588552. The cubic root of 45843640 is about 357.8983513415.

The spelling of 45843640 in words is "forty-five million, eight hundred forty-three thousand, six hundred forty".