100444143 has 16 divisors (see below), whose sum is σ = 142753536. Its totient is φ = 62601600.

The previous prime is 100444133. The next prime is 100444147. The reversal of 100444143 is 341444001.

It is not a de Polignac number, because 100444143 - 2¹⁷ = 100313071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100444147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1180 + ... + 14222.

It is an arithmetic number, because the mean of its divisors is an integer number (8922096).

Almost surely, 2^100444143 is an apocalyptic number.

100444143 is a deficient number, since it is larger than the sum of its proper divisors (42309393).

100444143 is a wasteful number, since it uses less digits than its factorization.

100444143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13214.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 100444143 is about 10022.1825467310. The cubic root of 100444143 is about 464.8450449120.

Adding to 100444143 its reverse (341444001), we get a palindrome (441888144).

The spelling of 100444143 in words is "one hundred million, four hundred forty-four thousand, one hundred forty-three".