105666245 has 8 divisors (see below), whose sum is σ = 127985184. Its totient is φ = 83742544.

The previous prime is 105666241. The next prime is 105666263. The reversal of 105666245 is 542666501.

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 105666245 - 2² = 105666241 is a prime.

It is a super-2 number, since 2×105666245² = 22330710664800050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105666241) by changing a digit.

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, 98219 + ... + 99288.

It is an arithmetic number, because the mean of its divisors is an integer number (15998148).

Almost surely, 2^105666245 is an apocalyptic number.

It is an amenable number.

105666245 is a deficient number, since it is larger than the sum of its proper divisors (22318939).

105666245 is a wasteful number, since it uses less digits than its factorization.

105666245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197619.

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 105666245 is about 10279.4087865013. The cubic root of 105666245 is about 472.7651172130.

The spelling of 105666245 in words is "one hundred five million, six hundred sixty-six thousand, two hundred forty-five".