100645108 has 12 divisors (see below), whose sum is σ = 176287552. Its totient is φ = 50277240.

The previous prime is 100645093. The next prime is 100645141. The reversal of 100645108 is 801546001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6060 + ... + 15427.

Almost surely, 2^100645108 is an apocalyptic number.

It is an amenable number.

100645108 is a deficient number, since it is larger than the sum of its proper divisors (75642444).

100645108 is a wasteful number, since it uses less digits than its factorization.

100645108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22662 (or 22660 counting only the distinct ones).

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

The square root of 100645108 is about 10032.2035465794. The cubic root of 100645108 is about 465.1548534239.

The spelling of 100645108 in words is "one hundred million, six hundred forty-five thousand, one hundred eight".