105115345 has 8 divisors (see below), whose sum is σ = 126195264. Its totient is φ = 84054384.

The previous prime is 105115337. The next prime is 105115357. The reversal of 105115345 is 543511501.

It is a happy number.

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 105115345 - 2³ = 105115337 is a prime.

It is a super-2 number, since 2×105115345² = 22098471508938050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14772 + ... + 20698.

It is an arithmetic number, because the mean of its divisors is an integer number (15774408).

Almost surely, 2^105115345 is an apocalyptic number.

It is an amenable number.

105115345 is a deficient number, since it is larger than the sum of its proper divisors (21079919).

105115345 is an equidigital number, since it uses as much as digits as its factorization.

105115345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9479.

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 105115345 is about 10252.5774808094. The cubic root of 105115345 is about 471.9420847857.

Adding to 105115345 its reverse (543511501), we get a palindrome (648626846).

The spelling of 105115345 in words is "one hundred five million, one hundred fifteen thousand, three hundred forty-five".