100444430143 has 4 divisors (see below), whose sum is σ = 100999371928. Its totient is φ = 99889488360.

The previous prime is 100444430137. The next prime is 100444430153. The reversal of 100444430143 is 341034444001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 341034444001 = 7753 ⋅43987417.

It is a cyclic number.

It is not a de Polignac number, because 100444430143 - 2⁵ = 100444430111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100444430153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 277470621 + ... + 277470982.

It is an arithmetic number, because the mean of its divisors is an integer number (25249842982).

Almost surely, 2^100444430143 is an apocalyptic number.

100444430143 is a deficient number, since it is larger than the sum of its proper divisors (554941785).

100444430143 is an equidigital number, since it uses as much as digits as its factorization.

100444430143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554941784.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 100444430143 its reverse (341034444001), we get a palindrome (441478874144).

The spelling of 100444430143 in words is "one hundred billion, four hundred forty-four million, four hundred thirty thousand, one hundred forty-three".