103105245 has 8 divisors (see below), whose sum is σ = 164968416. Its totient is φ = 54989456.

The previous prime is 103105231. The next prime is 103105291. The reversal of 103105245 is 542501301.

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 103105245 - 2⁷ = 103105117 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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, 3436827 + ... + 3436856.

It is an arithmetic number, because the mean of its divisors is an integer number (20621052).

Almost surely, 2^103105245 is an apocalyptic number.

103105245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

103105245 is a deficient number, since it is larger than the sum of its proper divisors (61863171).

103105245 is an equidigital number, since it uses as much as digits as its factorization.

103105245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6873691.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 103105245 is about 10154.0752902468. The cubic root of 103105245 is about 468.9144177003.

Adding to 103105245 its reverse (542501301), we get a palindrome (645606546).

The spelling of 103105245 in words is "one hundred three million, one hundred five thousand, two hundred forty-five".