43485 has 16 divisors (see below), whose sum is σ = 75264.
Its totient is φ = 21312.
The previous prime is 43481. The next prime is 43487. The reversal of 43485 is 58434.
It can be divided in two parts, 43 and 485, that added together give a triangular number (528 = T32).
It is a happy number.
It is not a de Polignac number, because 43485 - 22 = 43481 is a prime.
It is an Ulam number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (43481) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84 + ... + 306.
It is an arithmetic number, because the mean of its divisors is an integer number (4704).
243485 is an apocalyptic number.
It is an amenable number.
43485 is a deficient number, since it is larger than the sum of its proper divisors (31779).
43485 is a wasteful number, since it uses less digits than its factorization.
43485 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 244.
The product of its digits is 1920, while the sum is 24.
The square root of 43485 is about 208.5305732980.
The cubic root of 43485 is about 35.1652053729.
The spelling of 43485 in words is "forty-three thousand, four hundred eighty-five".