105645841 has 8 divisors (see below), whose sum is σ = 124001600. Its totient is φ = 88105968.

The previous prime is 105645829. The next prime is 105645857. The reversal of 105645841 is 148546501.

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

It is a cyclic number.

It is not a de Polignac number, because 105645841 - 2⁵ = 105645809 is a prime.

It is a super-2 number, since 2×105645841² = 22322087441194562, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 105645797 and 105645806.

It is not an unprimeable number, because it can be changed into a prime (105645821) 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, 203691 + ... + 204208.

It is an arithmetic number, because the mean of its divisors is an integer number (15500200).

Almost surely, 2^105645841 is an apocalyptic number.

It is an amenable number.

105645841 is a deficient number, since it is larger than the sum of its proper divisors (18355759).

105645841 is an equidigital number, since it uses as much as digits as its factorization.

105645841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407943.

The product of its (nonzero) digits is 19200, while the sum is 34.

The square root of 105645841 is about 10278.4162690562. The cubic root of 105645841 is about 472.7346851660.

It can be divided in two parts, 1056458 and 41, that multiplied together give a triangular number (43314778 = T₉₃₀₇).

The spelling of 105645841 in words is "one hundred five million, six hundred forty-five thousand, eight hundred forty-one".