10002444143 has 16 divisors (see below), whose sum is σ = 10495440000. Its totient is φ = 9519724032.

The previous prime is 10002444107. The next prime is 10002444169. The reversal of 10002444143 is 34144420001.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 10002444143 - 2⁸ = 10002443887 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 (10002444043) 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, 1547783 + ... + 1554231.

It is an arithmetic number, because the mean of its divisors is an integer number (655965000).

Almost surely, 2^10002444143 is an apocalyptic number.

10002444143 is a deficient number, since it is larger than the sum of its proper divisors (492995857).

10002444143 is an equidigital number, since it uses as much as digits as its factorization.

10002444143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7234.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 10002444143 its reverse (34144420001), we get a palindrome (44146864144).

The spelling of 10002444143 in words is "ten billion, two million, four hundred forty-four thousand, one hundred forty-three".