105103445 has 8 divisors (see below), whose sum is σ = 131607936. Its totient is φ = 80426896.

The previous prime is 105103441. The next prime is 105103451. The reversal of 105103445 is 544301501.

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 105103445 - 2² = 105103441 is a prime.

It is a super-2 number, since 2×105103445² = 22093468301736050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

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 105103445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105103441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 456857 + ... + 457086.

It is an arithmetic number, because the mean of its divisors is an integer number (16450992).

Almost surely, 2^105103445 is an apocalyptic number.

It is an amenable number.

105103445 is a deficient number, since it is larger than the sum of its proper divisors (26504491).

105103445 is an equidigital number, since it uses as much as digits as its factorization.

105103445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 913971.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 105103445 is about 10251.9971225123. The cubic root of 105103445 is about 471.9242747544.

Adding to 105103445 its reverse (544301501), we get a palindrome (649404946).

The spelling of 105103445 in words is "one hundred five million, one hundred three thousand, four hundred forty-five".