102144110442 has 64 divisors (see below), whose sum is σ = 225075594240. Its totient is φ = 30901260720.

The previous prime is 102144110441. The next prime is 102144110477. The reversal of 102144110442 is 244011441201.

It is not an unprimeable number, because it can be changed into a prime (102144110441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4933003 + ... + 4953665.

It is an arithmetic number, because the mean of its divisors is an integer number (3516806160).

Almost surely, 2^102144110442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102144110442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112537797120).

102144110442 is an abundant number, since it is smaller than the sum of its proper divisors (122931483798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102144110442 is a wasteful number, since it uses less digits than its factorization.

102144110442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21320 (or 21298 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 102144110442 its reverse (244011441201), we get a palindrome (346155551643).

The spelling of 102144110442 in words is "one hundred two billion, one hundred forty-four million, one hundred ten thousand, four hundred forty-two".