105017345 has 16 divisors (see below), whose sum is σ = 128675520. Its totient is φ = 82256064.

The previous prime is 105017291. The next prime is 105017371. The reversal of 105017345 is 543710501.

It is a cyclic number.

It is not a de Polignac number, because 105017345 - 2⁸ = 105017089 is a prime.

It is a super-2 number, since 2×105017345² = 22057285501698050, which contains 22 as substring.

It is a Curzon 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, 92954 + ... + 94076.

It is an arithmetic number, because the mean of its divisors is an integer number (8042220).

Almost surely, 2^105017345 is an apocalyptic number.

It is an amenable number.

105017345 is a deficient number, since it is larger than the sum of its proper divisors (23658175).

105017345 is a wasteful number, since it uses less digits than its factorization.

105017345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1504.

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 105017345 is about 10247.7970803485. The cubic root of 105017345 is about 471.7953738719.

Adding to 105017345 its reverse (543710501), we get a palindrome (648727846).

The spelling of 105017345 in words is "one hundred five million, seventeen thousand, three hundred forty-five".