105886745 has 4 divisors (see below), whose sum is σ = 127064100. Its totient is φ = 84709392.

The previous prime is 105886721. The next prime is 105886757. The reversal of 105886745 is 547688501.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 547688501 = 31 ⋅17667371.

It can be written as a sum of positive squares in 2 ways, for example, as 16224784 + 89661961 = 4028^2 + 9469^2 .

It is a cyclic number.

It is not a de Polignac number, because 105886745 - 2²⁰ = 104838169 is a prime.

It is a super-2 number, since 2×105886745² = 22424005533390050, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 105886696 and 105886705.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10588670 + ... + 10588679.

It is an arithmetic number, because the mean of its divisors is an integer number (31766025).

Almost surely, 2^105886745 is an apocalyptic number.

It is an amenable number.

105886745 is a deficient number, since it is larger than the sum of its proper divisors (21177355).

105886745 is an equidigital number, since it uses as much as digits as its factorization.

105886745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21177354.

The product of its (nonzero) digits is 268800, while the sum is 44.

The square root of 105886745 is about 10290.1285220351. The cubic root of 105886745 is about 473.0937377076.

The spelling of 105886745 in words is "one hundred five million, eight hundred eighty-six thousand, seven hundred forty-five".