105644353 has 4 divisors (see below), whose sum is σ = 106255188. Its totient is φ = 105033520.

The previous prime is 105644347. The next prime is 105644369. The reversal of 105644353 is 353446501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 353446501 = 89 ⋅3971309.

It can be written as a sum of positive squares in 2 ways, for example, as 72386064 + 33258289 = 8508^2 + 5767^2 .

It is a cyclic number.

It is not a de Polignac number, because 105644353 - 2⁹ = 105643841 is a prime.

It is a super-2 number, since 2×105644353² = 22321458641577218, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105644323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 305158 + ... + 305503.

It is an arithmetic number, because the mean of its divisors is an integer number (26563797).

Almost surely, 2^105644353 is an apocalyptic number.

It is an amenable number.

105644353 is a deficient number, since it is larger than the sum of its proper divisors (610835).

105644353 is an equidigital number, since it uses as much as digits as its factorization.

105644353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610834.

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 105644353 is about 10278.3438841090. The cubic root of 105644353 is about 472.7324656985.

The spelling of 105644353 in words is "one hundred five million, six hundred forty-four thousand, three hundred fifty-three".