105856449 has 8 divisors (see below), whose sum is σ = 143248800. Its totient is φ = 69517536.

The previous prime is 105856427. The next prime is 105856453. The reversal of 105856449 is 944658501.

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

It is not a de Polignac number, because 105856449 - 2⁸ = 105856193 is a prime.

It is a super-2 number, since 2×105856449² = 22411175589779202, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105856449.

It is not an unprimeable number, because it can be changed into a prime (105856459) 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, 263124 + ... + 263525.

It is an arithmetic number, because the mean of its divisors is an integer number (17906100).

Almost surely, 2^105856449 is an apocalyptic number.

It is an amenable number.

105856449 is a deficient number, since it is larger than the sum of its proper divisors (37392351).

105856449 is an equidigital number, since it uses as much as digits as its factorization.

105856449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526719.

The product of its (nonzero) digits is 172800, while the sum is 42.

The square root of 105856449 is about 10288.6563262653. The cubic root of 105856449 is about 473.0486133468.

The spelling of 105856449 in words is "one hundred five million, eight hundred fifty-six thousand, four hundred forty-nine".