105455205 has 12 divisors (see below), whose sum is σ = 182789100. Its totient is φ = 56242752.

The previous prime is 105455191. The next prime is 105455209. The reversal of 105455205 is 502554501.

105455205 is a `hidden beast` number, since 1 + 0 + 5 + 455 + 205 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 27185796 + 78269409 = 5214^2 + 8847^2 .

It is not a de Polignac number, because 105455205 - 2¹⁵ = 105422437 is a prime.

It is a super-2 number, since 2×105455205² = 22241600523184050, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105455209) 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 11 ways as a sum of consecutive naturals, for example, 1171680 + ... + 1171769.

It is an arithmetic number, because the mean of its divisors is an integer number (15232425).

Almost surely, 2^105455205 is an apocalyptic number.

105455205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

105455205 is a deficient number, since it is larger than the sum of its proper divisors (77333895).

105455205 is a wasteful number, since it uses less digits than its factorization.

105455205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2343460 (or 2343457 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 27.

The square root of 105455205 is about 10269.1384740883. The cubic root of 105455205 is about 472.4501669121.

The spelling of 105455205 in words is "one hundred five million, four hundred fifty-five thousand, two hundred five".