104505243 has 4 divisors (see below), whose sum is σ = 139340328. Its totient is φ = 69670160.

The previous prime is 104505227. The next prime is 104505281. The reversal of 104505243 is 342505401.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 104505243 - 2⁴ = 104505227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (104505223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17417538 + ... + 17417543.

It is an arithmetic number, because the mean of its divisors is an integer number (34835082).

Almost surely, 2^104505243 is an apocalyptic number.

104505243 is a deficient number, since it is larger than the sum of its proper divisors (34835085).

104505243 is an equidigital number, since it uses as much as digits as its factorization.

104505243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34835084.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 104505243 is about 10222.7805904265. The cubic root of 104505243 is about 471.0272431625.

The spelling of 104505243 in words is "one hundred four million, five hundred five thousand, two hundred forty-three".