43475945 has 8 divisors (see below), whose sum is σ = 52484544. Its totient is φ = 34571824.

The previous prime is 43475909. The next prime is 43475947. The reversal of 43475945 is 54957434.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 43475945 - 2²⁴ = 26698729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43475947) 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, 25199 + ... + 26868.

It is an arithmetic number, because the mean of its divisors is an integer number (6560568).

Almost surely, 2^43475945 is an apocalyptic number.

It is an amenable number.

43475945 is a deficient number, since it is larger than the sum of its proper divisors (9008599).

43475945 is a wasteful number, since it uses less digits than its factorization.

43475945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52239.

The product of its digits is 302400, while the sum is 41.

The square root of 43475945 is about 6593.6291221148. The cubic root of 43475945 is about 351.6276435464.

The spelling of 43475945 in words is "forty-three million, four hundred seventy-five thousand, nine hundred forty-five".