105815488 has 28 divisors (see below), whose sum is σ = 211335112. Its totient is φ = 52565760.

The previous prime is 105815483. The next prime is 105815527. The reversal of 105815488 is 884518501.

It is a super-2 number, since 2×105815488² = 22393835001356288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105815488.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105815483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4783 + ... + 15313.

Almost surely, 2^105815488 is an apocalyptic number.

It is an amenable number.

105815488 is a deficient number, since it is larger than the sum of its proper divisors (105519624).

105815488 is a wasteful number, since it uses less digits than its factorization.

105815488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10700 (or 10690 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 40.

The square root of 105815488 is about 10286.6655433138. The cubic root of 105815488 is about 472.9875903161.

It can be divided in two parts, 1058 and 15488, that multiplied together give a square (16386304 = 4048²).

The spelling of 105815488 in words is "one hundred five million, eight hundred fifteen thousand, four hundred eighty-eight".