43875545 has 8 divisors (see below), whose sum is σ = 60172224. Its totient is φ = 30086064.

The previous prime is 43875529. The next prime is 43875547. The reversal of 43875545 is 54557834.

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 43875545 - 2⁴ = 43875529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (43875547) 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, 626759 + ... + 626828.

It is an arithmetic number, because the mean of its divisors is an integer number (7521528).

Almost surely, 2^43875545 is an apocalyptic number.

It is an amenable number.

43875545 is a deficient number, since it is larger than the sum of its proper divisors (16296679).

43875545 is a wasteful number, since it uses less digits than its factorization.

43875545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1253599.

The product of its digits is 336000, while the sum is 41.

The square root of 43875545 is about 6623.8617890170. The cubic root of 43875545 is about 352.7016635252.

The spelling of 43875545 in words is "forty-three million, eight hundred seventy-five thousand, five hundred forty-five".