105645444 has 24 divisors (see below), whose sum is σ = 249979968. Its totient is φ = 34718880.

The previous prime is 105645439. The next prime is 105645451. The reversal of 105645444 is 444546501.

It is a super-2 number, since 2×105645444² = 22321919675914272, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61147 + ... + 62850.

It is an arithmetic number, because the mean of its divisors is an integer number (10415832).

Almost surely, 2^105645444 is an apocalyptic number.

It is an amenable number.

105645444 is an abundant number, since it is smaller than the sum of its proper divisors (144334524).

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

105645444 is a wasteful number, since it uses less digits than its factorization.

105645444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124075 (or 124073 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 33.

The square root of 105645444 is about 10278.3969567243. The cubic root of 105645444 is about 472.7340930117.

The spelling of 105645444 in words is "one hundred five million, six hundred forty-five thousand, four hundred forty-four".