43545601 has 12 divisors (see below), whose sum is σ = 49948416. Its totient is φ = 37863320.

The previous prime is 43545589. The next prime is 43545611. The reversal of 43545601 is 10654534.

It is not a de Polignac number, because 43545601 - 2⁵ = 43545569 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 43545601.

It is not an unprimeable number, because it can be changed into a prime (43545611) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5041 + ... + 10606.

It is an arithmetic number, because the mean of its divisors is an integer number (4162368).

Almost surely, 2^43545601 is an apocalyptic number.

It is an amenable number.

43545601 is a deficient number, since it is larger than the sum of its proper divisors (6402815).

43545601 is a wasteful number, since it uses less digits than its factorization.

43545601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15692 (or 15681 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 43545601 is about 6598.9090765065. The cubic root of 43545601 is about 351.8153328239.

The spelling of 43545601 in words is "forty-three million, five hundred forty-five thousand, six hundred one".