105003648 has 128 divisors (see below), whose sum is σ = 323625600. Its totient is φ = 33454080.

The previous prime is 105003643. The next prime is 105003677. The reversal of 105003648 is 846300501.

105003648 is a `hidden beast` number, since 10 + 5 + 0 + 0 + 3 + 648 = 666.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×105003648² = 22051532186615808, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (105003643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78828 + ... + 80148.

It is an arithmetic number, because the mean of its divisors is an integer number (2528325).

Almost surely, 2^105003648 is an apocalyptic number.

105003648 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 105003648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161812800).

105003648 is an abundant number, since it is smaller than the sum of its proper divisors (218621952).

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

105003648 is a wasteful number, since it uses less digits than its factorization.

105003648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1367 (or 1349 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 105003648 is about 10247.1287685868. The cubic root of 105003648 is about 471.7748615073.

The spelling of 105003648 in words is "one hundred five million, three thousand, six hundred forty-eight".