43443045 has 12 divisors (see below), whose sum is σ = 75301356. Its totient is φ = 23169600.

The previous prime is 43443019. The next prime is 43443053. The reversal of 43443045 is 54034434.

It can be written as a sum of positive squares in 2 ways, for example, as 15374241 + 28068804 = 3921^2 + 5298^2 .

It is not a de Polignac number, because 43443045 - 2⁹ = 43442533 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 482656 + ... + 482745.

It is an arithmetic number, because the mean of its divisors is an integer number (6275113).

Almost surely, 2^43443045 is an apocalyptic number.

43443045 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

43443045 is a deficient number, since it is larger than the sum of its proper divisors (31858311).

43443045 is a wasteful number, since it uses less digits than its factorization.

43443045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 965412 (or 965409 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

The square root of 43443045 is about 6591.1338174854. The cubic root of 43443045 is about 351.5389242265.

Adding to 43443045 its reverse (54034434), we get a palindrome (97477479).

The spelling of 43443045 in words is "forty-three million, four hundred forty-three thousand, forty-five".