102104442142 has 16 divisors (see below), whose sum is σ = 159496301952. Its totient is φ = 48968156160.

The previous prime is 102104442131. The next prime is 102104442149. The reversal of 102104442142 is 241244401201.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102104442149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7279923 + ... + 7293934.

It is an arithmetic number, because the mean of its divisors is an integer number (9968518872).

Almost surely, 2^102104442142 is an apocalyptic number.

102104442142 is a deficient number, since it is larger than the sum of its proper divisors (57391859810).

102104442142 is a wasteful number, since it uses less digits than its factorization.

102104442142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14574003.

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 102104442142 its reverse (241244401201), we get a palindrome (343348843343).

The spelling of 102104442142 in words is "one hundred two billion, one hundred four million, four hundred forty-two thousand, one hundred forty-two".