100105284 has 24 divisors (see below), whose sum is σ = 233759680. Its totient is φ = 33342624.

The previous prime is 100105259. The next prime is 100105297. The reversal of 100105284 is 482501001.

It is a self number, because there is not a number n which added to its sum of digits gives 100105284.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19137 + ... + 23799.

Almost surely, 2^100105284 is an apocalyptic number.

It is an amenable number.

100105284 is an abundant number, since it is smaller than the sum of its proper divisors (133654396).

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

100105284 is a wasteful number, since it uses less digits than its factorization.

100105284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6459 (or 6457 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 100105284 is about 10005.2628151388. The cubic root of 100105284 is about 464.3217212401.

Adding to 100105284 its reverse (482501001), we get a palindrome (582606285).

The spelling of 100105284 in words is "one hundred million, one hundred five thousand, two hundred eighty-four".