105349445 has 16 divisors (see below), whose sum is σ = 129040128. Its totient is φ = 82548480.

The previous prime is 105349427. The next prime is 105349457. The reversal of 105349445 is 544943501.

It is not a de Polignac number, because 105349445 - 2⁶ = 105349381 is a prime.

It is a super-2 number, since 2×105349445² = 22197011123616050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 58397 + ... + 60173.

It is an arithmetic number, because the mean of its divisors is an integer number (8065008).

Almost surely, 2^105349445 is an apocalyptic number.

It is an amenable number.

105349445 is a deficient number, since it is larger than the sum of its proper divisors (23690683).

105349445 is a wasteful number, since it uses less digits than its factorization.

105349445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2020.

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

The square root of 105349445 is about 10263.9877727908. The cubic root of 105349445 is about 472.2921755243.

The spelling of 105349445 in words is "one hundred five million, three hundred forty-nine thousand, four hundred forty-five".