105556144 has 20 divisors (see below), whose sum is σ = 204848496. Its totient is φ = 52692032.

The previous prime is 105556141. The next prime is 105556159. The reversal of 105556144 is 441655501.

It is a super-2 number, since 2×105556144² = 22284199072297472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105556141) 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 3 ways as a sum of consecutive naturals, for example, 5397 + ... + 15499.

Almost surely, 2^105556144 is an apocalyptic number.

It is an amenable number.

105556144 is a deficient number, since it is larger than the sum of its proper divisors (99292352).

105556144 is a wasteful number, since it uses less digits than its factorization.

105556144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10764 (or 10758 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 31.

The square root of 105556144 is about 10274.0519757299. The cubic root of 105556144 is about 472.6008578778.

The spelling of 105556144 in words is "one hundred five million, five hundred fifty-six thousand, one hundred forty-four".