100628445 has 8 divisors (see below), whose sum is σ = 161005536. Its totient is φ = 53668496.

The previous prime is 100628443. The next prime is 100628461. The reversal of 100628445 is 544826001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100628445 - 2¹ = 100628443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100628443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3354267 + ... + 3354296.

It is an arithmetic number, because the mean of its divisors is an integer number (20125692).

Almost surely, 2^100628445 is an apocalyptic number.

100628445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

100628445 is a deficient number, since it is larger than the sum of its proper divisors (60377091).

100628445 is an equidigital number, since it uses as much as digits as its factorization.

100628445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6708571.

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

The square root of 100628445 is about 10031.3730366286. The cubic root of 100628445 is about 465.1291813594.

The spelling of 100628445 in words is "one hundred million, six hundred twenty-eight thousand, four hundred forty-five".