43045641 has 8 divisors (see below), whose sum is σ = 63771360. Its totient is φ = 28697076.

The previous prime is 43045637. The next prime is 43045663. The reversal of 43045641 is 14654034.

It is not a de Polignac number, because 43045641 - 2² = 43045637 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1594283 = 43045641 / (4 + 3 + 0 + 4 + 5 + 6 + 4 + 1).

It is not an unprimeable number, because it can be changed into a prime (43045631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 797115 + ... + 797168.

It is an arithmetic number, because the mean of its divisors is an integer number (7971420).

Almost surely, 2^43045641 is an apocalyptic number.

It is an amenable number.

43045641 is a deficient number, since it is larger than the sum of its proper divisors (20725719).

43045641 is a wasteful number, since it uses less digits than its factorization.

43045641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1594292 (or 1594286 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 43045641 is about 6560.9176949570. The cubic root of 43045641 is about 350.4637146054.

Adding to 43045641 its reverse (14654034), we get a palindrome (57699675).

The spelling of 43045641 in words is "forty-three million, forty-five thousand, six hundred forty-one".