100445026 has 16 divisors (see below), whose sum is σ = 165876480. Its totient is φ = 45236880.

The previous prime is 100445021. The next prime is 100445029. The reversal of 100445026 is 620544001.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 100444988 and 100445006.

It is not an unprimeable number, because it can be changed into a prime (100445021) 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, 18546 + ... + 23341.

It is an arithmetic number, because the mean of its divisors is an integer number (10367280).

Almost surely, 2^100445026 is an apocalyptic number.

100445026 is a deficient number, since it is larger than the sum of its proper divisors (65431454).

100445026 is a wasteful number, since it uses less digits than its factorization.

100445026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42009.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 100445026 is about 10022.2265989150. The cubic root of 100445026 is about 464.8464070520.

Adding to 100445026 its reverse (620544001), we get a palindrome (720989027).

The spelling of 100445026 in words is "one hundred million, four hundred forty-five thousand, twenty-six".