43272845 has 16 divisors (see below), whose sum is σ = 64741248. Its totient is φ = 26975040.

The previous prime is 43272839. The next prime is 43272881. The reversal of 43272845 is 54827234.

It is not a de Polignac number, because 43272845 - 2²⁰ = 42224269 is a prime.

It is a super-2 number, since 2×43272845² = 3745078228788050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55814 + ... + 56583.

It is an arithmetic number, because the mean of its divisors is an integer number (4046328).

Almost surely, 2^43272845 is an apocalyptic number.

It is an amenable number.

43272845 is a deficient number, since it is larger than the sum of its proper divisors (21468403).

43272845 is a wasteful number, since it uses less digits than its factorization.

43272845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112420.

The product of its digits is 53760, while the sum is 35.

The square root of 43272845 is about 6578.2098628730. The cubic root of 43272845 is about 351.0792401245.

The spelling of 43272845 in words is "forty-three million, two hundred seventy-two thousand, eight hundred forty-five".