105117245 has 16 divisors (see below), whose sum is σ = 131991552. Its totient is φ = 80213760.

The previous prime is 105117217. The next prime is 105117269. The reversal of 105117245 is 542711501.

It is not a de Polignac number, because 105117245 - 2¹⁴ = 105100861 is a prime.

It is a super-2 number, since 2×105117245² = 22099270392780050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48740 + ... + 50850.

It is an arithmetic number, because the mean of its divisors is an integer number (8249472).

Almost surely, 2^105117245 is an apocalyptic number.

It is an amenable number.

105117245 is a deficient number, since it is larger than the sum of its proper divisors (26874307).

105117245 is a wasteful number, since it uses less digits than its factorization.

105117245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2572.

The product of its (nonzero) digits is 1400, while the sum is 26.

The square root of 105117245 is about 10252.6701400172. The cubic root of 105117245 is about 471.9449282797.

Adding to 105117245 its reverse (542711501), we get a palindrome (647828746).

The spelling of 105117245 in words is "one hundred five million, one hundred seventeen thousand, two hundred forty-five".