105441345 has 24 divisors (see below), whose sum is σ = 189536256. Its totient is φ = 56234736.

The previous prime is 105441307. The next prime is 105441353. The reversal of 105441345 is 543144501.

It is a happy number.

It is not a de Polignac number, because 105441345 - 2¹⁴ = 105424961 is a prime.

It is a super-2 number, since 2×105441345² = 22235754470818050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42177 + ... + 44606.

It is an arithmetic number, because the mean of its divisors is an integer number (7897344).

Almost surely, 2^105441345 is an apocalyptic number.

105441345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

105441345 is a deficient number, since it is larger than the sum of its proper divisors (84094911).

105441345 is an frugal number, since it uses more digits than its factorization.

105441345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86803 (or 86791 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 105441345 is about 10268.4636143875. The cubic root of 105441345 is about 472.4294679300.

Adding to 105441345 its reverse (543144501), we get a palindrome (648585846).

The spelling of 105441345 in words is "one hundred five million, four hundred forty-one thousand, three hundred forty-five".