105455444 has 12 divisors (see below), whose sum is σ = 189048468. Its totient is φ = 51441600.

The previous prime is 105455443. The next prime is 105455461. The reversal of 105455444 is 444554501.

It can be written as a sum of positive squares in 2 ways, for example, as 17808400 + 87647044 = 4220^2 + 9362^2 .

It is a super-2 number, since 2×105455444² = 22241701338474272, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105455444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105455443) 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 3 ways as a sum of consecutive naturals, for example, 321347 + ... + 321674.

It is an arithmetic number, because the mean of its divisors is an integer number (15754039).

Almost surely, 2^105455444 is an apocalyptic number.

It is an amenable number.

105455444 is a deficient number, since it is larger than the sum of its proper divisors (83593024).

105455444 is a wasteful number, since it uses less digits than its factorization.

105455444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643066 (or 643064 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 32.

The square root of 105455444 is about 10269.1501108904. The cubic root of 105455444 is about 472.4505238267.

The spelling of 105455444 in words is "one hundred five million, four hundred fifty-five thousand, four hundred forty-four".