105245503 has 16 divisors (see below), whose sum is σ = 122054400. Its totient is φ = 89743680.

The previous prime is 105245489. The next prime is 105245507. The reversal of 105245503 is 305542501.

It is a cyclic number.

It is not a de Polignac number, because 105245503 - 2¹⁷ = 105114431 is a prime.

It is a super-2 number, since 2×105245503² = 22153231803446018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105245507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19083 + ... + 23971.

It is an arithmetic number, because the mean of its divisors is an integer number (7628400).

Almost surely, 2^105245503 is an apocalyptic number.

105245503 is a deficient number, since it is larger than the sum of its proper divisors (16808897).

105245503 is a wasteful number, since it uses less digits than its factorization.

105245503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5022.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 105245503 is about 10258.9230916310. The cubic root of 105245503 is about 472.1367969263.

The spelling of 105245503 in words is "one hundred five million, two hundred forty-five thousand, five hundred three".