100253644 has 12 divisors (see below), whose sum is σ = 176128344. Its totient is φ = 49931264.

The previous prime is 100253623. The next prime is 100253653. The reversal of 100253644 is 446352001.

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, 47734 + ... + 49789.

It is an arithmetic number, because the mean of its divisors is an integer number (14677362).

Almost surely, 2^100253644 is an apocalyptic number.

It is an amenable number.

100253644 is a deficient number, since it is larger than the sum of its proper divisors (75874700).

100253644 is a wasteful number, since it uses less digits than its factorization.

100253644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97784 (or 97782 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 100253644 is about 10012.6741682729. The cubic root of 100253644 is about 464.5509890831.

The spelling of 100253644 in words is "one hundred million, two hundred fifty-three thousand, six hundred forty-four".