105134245 has 8 divisors (see below), whose sum is σ = 128541816. Its totient is φ = 82520256.

The previous prime is 105134243. The next prime is 105134257. The reversal of 105134245 is 542431501.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 27394756 + 77739489 = 5234^2 + 8817^2 .

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 105134245 - 2¹ = 105134243 is a prime.

It is a super-2 number, since 2×105134245² = 22106418943440050, 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 (105134243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198102 + ... + 198631.

It is an arithmetic number, because the mean of its divisors is an integer number (16067727).

Almost surely, 2^105134245 is an apocalyptic number.

It is an amenable number.

105134245 is a deficient number, since it is larger than the sum of its proper divisors (23407571).

105134245 is an equidigital number, since it uses as much as digits as its factorization.

105134245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396791.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 105134245 is about 10253.4991588238. The cubic root of 105134245 is about 471.9703685434.

Adding to 105134245 its reverse (542431501), we get a palindrome (647565746).

The spelling of 105134245 in words is "one hundred five million, one hundred thirty-four thousand, two hundred forty-five".