100445027 has 8 divisors (see below), whose sum is σ = 106449552. Its totient is φ = 94451200.

The previous prime is 100445021. The next prime is 100445029. The reversal of 100445027 is 720544001.

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 100445027 - 2²² = 96250723 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100444993 and 100445011.

It is not an unprimeable number, because it can be changed into a prime (100445021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24827 + ... + 28587.

It is an arithmetic number, because the mean of its divisors is an integer number (13306194).

Almost surely, 2^100445027 is an apocalyptic number.

100445027 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

100445027 is a deficient number, since it is larger than the sum of its proper divisors (6004525).

100445027 is a wasteful number, since it uses less digits than its factorization.

100445027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5349.

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 100445027 is about 10022.2266488041. The cubic root of 100445027 is about 464.8464085946.

Adding to 100445027 its reverse (720544001), we get a palindrome (820989028).

The spelling of 100445027 in words is "one hundred million, four hundred forty-five thousand, twenty-seven".