100133244 has 36 divisors (see below), whose sum is σ = 254270016. Its totient is φ = 33225408.

The previous prime is 100133221. The next prime is 100133261. The reversal of 100133244 is 442331001.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

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 11 ways as a sum of consecutive naturals, for example, 1792 + ... + 14264.

It is an arithmetic number, because the mean of its divisors is an integer number (7063056).

Almost surely, 2^100133244 is an apocalyptic number.

It is an amenable number.

100133244 is an abundant number, since it is smaller than the sum of its proper divisors (154136772).

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

100133244 is a wasteful number, since it uses less digits than its factorization.

100133244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12706 (or 12701 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 100133244 is about 10006.6599822318. The cubic root of 100133244 is about 464.3649464870.

Adding to 100133244 its reverse (442331001), we get a palindrome (542464245).

The spelling of 100133244 in words is "one hundred million, one hundred thirty-three thousand, two hundred forty-four".