1108645000 has 40 divisors (see below), whose sum is σ = 2597566950. Its totient is φ = 443456000.

The previous prime is 1108644991. The next prime is 1108645001. The reversal of 1108645000 is 5468011.

It can be written as a sum of positive squares in 5 ways, for example, as 38962564 + 1069682436 = 6242^2 + 32706^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (1108645001) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 105865 + ... + 115864.

Almost surely, 2^1108645000 is an apocalyptic number.

1108645000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1108645000 is an abundant number, since it is smaller than the sum of its proper divisors (1488921950).

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

1108645000 is an equidigital number, since it uses as much as digits as its factorization.

1108645000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221755 (or 221736 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 1108645000 is about 33296.3211181055. The cubic root of 1108645000 is about 1034.9773229724.

The spelling of 1108645000 in words is "one billion, one hundred eight million, six hundred forty-five thousand".