100101443 has 8 divisors (see below), whose sum is σ = 113475600. Its totient is φ = 87537888.

The previous prime is 100101437. The next prime is 100101479. The reversal of 100101443 is 344101001.

It is a happy number.

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 100101443 - 2²⁶ = 32992579 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100101343) 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, 202388 + ... + 202881.

It is an arithmetic number, because the mean of its divisors is an integer number (14184450).

Almost surely, 2^100101443 is an apocalyptic number.

100101443 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

100101443 is a deficient number, since it is larger than the sum of its proper divisors (13374157).

100101443 is a wasteful number, since it uses less digits than its factorization.

100101443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405301.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 100101443 is about 10005.0708643168. The cubic root of 100101443 is about 464.3157825508.

Adding to 100101443 its reverse (344101001), we get a palindrome (444202444).

The spelling of 100101443 in words is "one hundred million, one hundred one thousand, four hundred forty-three".