105444003 has 8 divisors (see below), whose sum is σ = 160676608. Its totient is φ = 60253704.

The previous prime is 105443993. The next prime is 105444023. The reversal of 105444003 is 300444501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 105444003 - 2¹² = 105439907 is a prime.

It is a super-2 number, since 2×105444003² = 22236875537328018, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 5021143 = 105444003 / (1 + 0 + 5 + 4 + 4 + 4 + 0 + 0 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105444023) 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 7 ways as a sum of consecutive naturals, for example, 2510551 + ... + 2510592.

It is an arithmetic number, because the mean of its divisors is an integer number (20084576).

Almost surely, 2^105444003 is an apocalyptic number.

105444003 is a deficient number, since it is larger than the sum of its proper divisors (55232605).

105444003 is an equidigital number, since it uses as much as digits as its factorization.

105444003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5021153.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 105444003 is about 10268.5930389708. The cubic root of 105444003 is about 472.4334376156.

Adding to 105444003 its reverse (300444501), we get a palindrome (405888504).

The spelling of 105444003 in words is "one hundred five million, four hundred forty-four thousand, three".