102440141144 has 96 divisors (see below), whose sum is σ = 223815493440. Its totient is φ = 43580376000.

The previous prime is 102440141143. The next prime is 102440141149. The reversal of 102440141144 is 441141044201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102440141143) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2617319 + ... + 2656169.

It is an arithmetic number, because the mean of its divisors is an integer number (2331411390).

Almost surely, 2^102440141144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102440141144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111907746720).

102440141144 is an abundant number, since it is smaller than the sum of its proper divisors (121375352296).

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

102440141144 is a wasteful number, since it uses less digits than its factorization.

102440141144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38989 (or 38966 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 26.

Adding to 102440141144 its reverse (441141044201), we get a palindrome (543581185345).

The spelling of 102440141144 in words is "one hundred two billion, four hundred forty million, one hundred forty-one thousand, one hundred forty-four".