100628544 has 56 divisors (see below), whose sum is σ = 267114528. Its totient is φ = 33433600.

The previous prime is 100628509. The next prime is 100628581. The reversal of 100628544 is 445826001.

It is a super-2 number, since 2×100628544² = 20252207735119872, which contains 22 as substring.

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, 76339 + ... + 77645.

Almost surely, 2^100628544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100628544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133557264).

100628544 is an abundant number, since it is smaller than the sum of its proper divisors (166485984).

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

100628544 is a wasteful number, since it uses less digits than its factorization.

100628544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1723 (or 1713 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 100628544 is about 10031.3779711463. The cubic root of 100628544 is about 465.1293338934.

The spelling of 100628544 in words is "one hundred million, six hundred twenty-eight thousand, five hundred forty-four".