100814445 has 12 divisors (see below), whose sum is σ = 174745116. Its totient is φ = 53767680.

The previous prime is 100814429. The next prime is 100814447. The reversal of 100814445 is 544418001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 15824484 + 84989961 = 3978^2 + 9219^2 .

It is not a de Polignac number, because 100814445 - 2⁴ = 100814429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100814447) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1120116 + ... + 1120205.

It is an arithmetic number, because the mean of its divisors is an integer number (14562093).

Almost surely, 2^100814445 is an apocalyptic number.

100814445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

100814445 is a deficient number, since it is larger than the sum of its proper divisors (73930671).

100814445 is a wasteful number, since it uses less digits than its factorization.

100814445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2240332 (or 2240329 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 100814445 is about 10040.6396708576. The cubic root of 100814445 is about 465.4155840715.

The spelling of 100814445 in words is "one hundred million, eight hundred fourteen thousand, four hundred forty-five".