105646442 has 32 divisors (see below), whose sum is σ = 178161984. Its totient is φ = 46569600.

The previous prime is 105646439. The next prime is 105646477. The reversal of 105646442 is 244646501.

It is a super-3 number, since 3×105646442³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 105646399 and 105646408.

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 15 ways as a sum of consecutive naturals, for example, 170918 + ... + 171534.

It is an arithmetic number, because the mean of its divisors is an integer number (5567562).

Almost surely, 2^105646442 is an apocalyptic number.

105646442 is a deficient number, since it is larger than the sum of its proper divisors (72515542).

105646442 is a wasteful number, since it uses less digits than its factorization.

105646442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 854.

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 105646442 is about 10278.4455050363. The cubic root of 105646442 is about 472.7355815982.

The spelling of 105646442 in words is "one hundred five million, six hundred forty-six thousand, four hundred forty-two".