105812648 has 32 divisors (see below), whose sum is σ = 206685000. Its totient is φ = 50722560.

The previous prime is 105812647. The next prime is 105812657. The reversal of 105812648 is 846218501.

It can be written as a sum of positive squares in 4 ways, for example, as 95687524 + 10125124 = 9782^2 + 3182^2 .

It is a super-2 number, since 2×105812648² = 22392632953543808, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105812647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33038 + ... + 36098.

Almost surely, 2^105812648 is an apocalyptic number.

It is an amenable number.

105812648 is a deficient number, since it is larger than the sum of its proper divisors (100872352).

105812648 is a wasteful number, since it uses less digits than its factorization.

105812648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3245 (or 3241 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 35.

The square root of 105812648 is about 10286.5274995987. The cubic root of 105812648 is about 472.9833587466.

The spelling of 105812648 in words is "one hundred five million, eight hundred twelve thousand, six hundred forty-eight".