105052445 has 4 divisors (see below), whose sum is σ = 126062940. Its totient is φ = 84041952.

The previous prime is 105052433. The next prime is 105052487. The reversal of 105052445 is 544250501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 70324996 + 34727449 = 8386^2 + 5893^2 .

It is a cyclic number.

It is not a de Polignac number, because 105052445 - 2⁴ = 105052429 is a prime.

It is a super-2 number, since 2×105052445² = 22072032400956050, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

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, 10505240 + ... + 10505249.

It is an arithmetic number, because the mean of its divisors is an integer number (31515735).

Almost surely, 2^105052445 is an apocalyptic number.

It is an amenable number.

105052445 is a deficient number, since it is larger than the sum of its proper divisors (21010495).

105052445 is an equidigital number, since it uses as much as digits as its factorization.

105052445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21010494.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 105052445 is about 10249.5095004590. The cubic root of 105052445 is about 471.8479308186.

The spelling of 105052445 in words is "one hundred five million, fifty-two thousand, four hundred forty-five".