105493043 has 4 divisors (see below), whose sum is σ = 106201200. Its totient is φ = 104784888.

The previous prime is 105493033. The next prime is 105493057. The reversal of 105493043 is 340394501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 105493043 - 2¹⁰ = 105492019 is a prime.

It is a super-2 number, since 2×105493043² = 22257564242799698, 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 = 105492997 and 105493015.

It is not an unprimeable number, because it can be changed into a prime (105493013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 353855 + ... + 354152.

It is an arithmetic number, because the mean of its divisors is an integer number (26550300).

Almost surely, 2^105493043 is an apocalyptic number.

105493043 is a deficient number, since it is larger than the sum of its proper divisors (708157).

105493043 is an equidigital number, since it uses as much as digits as its factorization.

105493043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708156.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 105493043 is about 10270.9806250426. The cubic root of 105493043 is about 472.5066661994.

The spelling of 105493043 in words is "one hundred five million, four hundred ninety-three thousand, forty-three".