105442056 has 48 divisors (see below), whose sum is σ = 291657600. Its totient is φ = 34398432.

The previous prime is 105442033. The next prime is 105442087. The reversal of 105442056 is 650244501.

It is a super-2 number, since 2×105442056² = 22236054347014272, which contains 22 as substring.

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 11 ways as a sum of consecutive naturals, for example, 12196 + ... + 18963.

It is an arithmetic number, because the mean of its divisors is an integer number (6076200).

Almost surely, 2^105442056 is an apocalyptic number.

It is an amenable number.

105442056 is an abundant number, since it is smaller than the sum of its proper divisors (186215544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

105442056 is a wasteful number, since it uses less digits than its factorization.

105442056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31218 (or 31211 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 105442056 is about 10268.4982348930. The cubic root of 105442056 is about 472.4305298050.

Adding to 105442056 its reverse (650244501), we get a palindrome (755686557).

The spelling of 105442056 in words is "one hundred five million, four hundred forty-two thousand, fifty-six".