105810449 has 4 divisors (see below), whose sum is σ = 111379440. Its totient is φ = 100241460.

The previous prime is 105810437. The next prime is 105810461. The reversal of 105810449 is 944018501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (105810437) and next prime (105810461).

It is a cyclic number.

It is not a de Polignac number, because 105810449 - 2²⁰ = 104761873 is a prime.

It is a super-2 number, since 2×105810449² = 22391702235163202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105810469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2784467 + ... + 2784504.

It is an arithmetic number, because the mean of its divisors is an integer number (27844860).

Almost surely, 2^105810449 is an apocalyptic number.

105810449 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

105810449 is a deficient number, since it is larger than the sum of its proper divisors (5568991).

105810449 is an equidigital number, since it uses as much as digits as its factorization.

105810449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5568990.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 105810449 is about 10286.4206116608. The cubic root of 105810449 is about 472.9800822082.

The spelling of 105810449 in words is "one hundred five million, eight hundred ten thousand, four hundred forty-nine".