43445064 has 64 divisors (see below), whose sum is σ = 123863040. Its totient is φ = 12579840.

The previous prime is 43445053. The next prime is 43445069. The reversal of 43445064 is 46054434.

43445064 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (43445069) 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 15 ways as a sum of consecutive naturals, for example, 1209 + ... + 9399.

It is an arithmetic number, because the mean of its divisors is an integer number (1935360).

Almost surely, 2^43445064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43445064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61931520).

43445064 is an abundant number, since it is smaller than the sum of its proper divisors (80417976).

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

43445064 is a wasteful number, since it uses less digits than its factorization.

43445064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8230 (or 8226 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

The square root of 43445064 is about 6591.2869760010. The cubic root of 43445064 is about 351.5443700241.

Adding to 43445064 its reverse (46054434), we get a palindrome (89499498).

The spelling of 43445064 in words is "forty-three million, four hundred forty-five thousand, sixty-four".