105443866 has 16 divisors (see below), whose sum is σ = 172734048. Its totient is φ = 47876400.

The previous prime is 105443861. The next prime is 105443867. The reversal of 105443866 is 668344501.

It is a happy number.

It is a super-2 number, since 2×105443866² = 22236817754051912, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105443861) 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, 23716 + ... + 27808.

It is an arithmetic number, because the mean of its divisors is an integer number (10795878).

Almost surely, 2^105443866 is an apocalyptic number.

105443866 is a deficient number, since it is larger than the sum of its proper divisors (67290182).

105443866 is a wasteful number, since it uses less digits than its factorization.

105443866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5277.

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 105443866 is about 10268.5863681424. The cubic root of 105443866 is about 472.4332330096.

The spelling of 105443866 in words is "one hundred five million, four hundred forty-three thousand, eight hundred sixty-six".