105045644 has 12 divisors (see below), whose sum is σ = 200541768. Its totient is φ = 47748000.

The previous prime is 105045643. The next prime is 105045659. The reversal of 105045644 is 446540501.

It is a super-2 number, since 2×105045644² = 22069174646749472, which contains 22 as substring.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (105045643) 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, 1193657 + ... + 1193744.

It is an arithmetic number, because the mean of its divisors is an integer number (16711814).

Almost surely, 2^105045644 is an apocalyptic number.

It is an amenable number.

105045644 is a deficient number, since it is larger than the sum of its proper divisors (95496124).

105045644 is a wasteful number, since it uses less digits than its factorization.

105045644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2387416 (or 2387414 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 105045644 is about 10249.1777231152. The cubic root of 105045644 is about 471.8377482632.

The spelling of 105045644 in words is "one hundred five million, forty-five thousand, six hundred forty-four".