105556042 has 16 divisors (see below), whose sum is σ = 163289952. Its totient is φ = 51138000.

The previous prime is 105556037. The next prime is 105556049. The reversal of 105556042 is 240655501.

It is a super-2 number, since 2×105556042² = 22284156005411528, 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 105556042.

It is not an unprimeable number, because it can be changed into a prime (105556049) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 15733 + ... + 21415.

It is an arithmetic number, because the mean of its divisors is an integer number (10205622).

Almost surely, 2^105556042 is an apocalyptic number.

105556042 is a deficient number, since it is larger than the sum of its proper divisors (57733910).

105556042 is a wasteful number, since it uses less digits than its factorization.

105556042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5973.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 105556042 is about 10274.0470117671. The cubic root of 105556042 is about 472.6007056513.

The spelling of 105556042 in words is "one hundred five million, five hundred fifty-six thousand, forty-two".