100443995 has 8 divisors (see below), whose sum is σ = 121726800. Its totient is φ = 79559200.

The previous prime is 100443989. The next prime is 100444031. The reversal of 100443995 is 599344001.

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

It is not a de Polignac number, because 100443995 - 2⁴ = 100443979 is a prime.

It is a super-2 number, since 2×100443995² = 20177992263120050, 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, 98945 + ... + 99954.

It is an arithmetic number, because the mean of its divisors is an integer number (15215850).

Almost surely, 2^100443995 is an apocalyptic number.

100443995 is a deficient number, since it is larger than the sum of its proper divisors (21282805).

100443995 is a wasteful number, since it uses less digits than its factorization.

100443995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199005.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 100443995 is about 10022.1751631071. The cubic root of 100443995 is about 464.8448166023.

Adding to 100443995 its reverse (599344001), we get a palindrome (699787996).

The spelling of 100443995 in words is "one hundred million, four hundred forty-three thousand, nine hundred ninety-five".