105544397 has 4 divisors (see below), whose sum is σ = 120622176. Its totient is φ = 90466620.

The previous prime is 105544391. The next prime is 105544423. The reversal of 105544397 is 793445501.

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 a cyclic number.

It is not a de Polignac number, because 105544397 - 2¹⁸ = 105282253 is a prime.

It is a super-2 number, since 2×105544397² = 22279239476187218, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 105544397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105544391) 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, 7538879 + ... + 7538892.

It is an arithmetic number, because the mean of its divisors is an integer number (30155544).

Almost surely, 2^105544397 is an apocalyptic number.

It is an amenable number.

105544397 is a deficient number, since it is larger than the sum of its proper divisors (15077779).

105544397 is an equidigital number, since it uses as much as digits as its factorization.

105544397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15077778.

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 105544397 is about 10273.4802769071. The cubic root of 105544397 is about 472.5833258232.

Adding to 105544397 its reverse (793445501), we get a palindrome (898989898).

The spelling of 105544397 in words is "one hundred five million, five hundred forty-four thousand, three hundred ninety-seven".