105445225 has 12 divisors (see below), whose sum is σ = 136437696. Its totient is φ = 80688080.

The previous prime is 105445217. The next prime is 105445243. The reversal of 105445225 is 522544501.

It is not a de Polignac number, because 105445225 - 2³ = 105445217 is a prime.

It is a super-2 number, since 2×105445225² = 22237390950601250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 105445193 and 105445202.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 91117 + ... + 92266.

It is an arithmetic number, because the mean of its divisors is an integer number (11369808).

Almost surely, 2^105445225 is an apocalyptic number.

It is an amenable number.

105445225 is a deficient number, since it is larger than the sum of its proper divisors (30992471).

105445225 is a wasteful number, since it uses less digits than its factorization.

105445225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183416 (or 183411 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 105445225 is about 10268.6525406209. The cubic root of 105445225 is about 472.4352626330.

Adding to 105445225 its reverse (522544501), we get a palindrome (627989726).

The spelling of 105445225 in words is "one hundred five million, four hundred forty-five thousand, two hundred twenty-five".