102143442404 has 24 divisors (see below), whose sum is σ = 183248448768. Its totient is φ = 49795007360.

The previous prime is 102143442389. The next prime is 102143442449. The reversal of 102143442404 is 404244341201.

It is a super-2 number, since 2×102143442404² (a number of 23 digits) 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, 983477 + ... + 1082364.

It is an arithmetic number, because the mean of its divisors is an integer number (7635352032).

Almost surely, 2^102143442404 is an apocalyptic number.

It is an amenable number.

102143442404 is a deficient number, since it is larger than the sum of its proper divisors (81105006364).

102143442404 is a wasteful number, since it uses less digits than its factorization.

102143442404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2066155 (or 2066153 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 102143442404 its reverse (404244341201), we get a palindrome (506387783605).

The spelling of 102143442404 in words is "one hundred two billion, one hundred forty-three million, four hundred forty-two thousand, four hundred four".