102144037580 has 96 divisors (see below), whose sum is σ = 232820904960. Its totient is φ = 37418515200.

The previous prime is 102144037547. The next prime is 102144037591. The reversal of 102144037580 is 85730441201.

It is a self number, because there is not a number n which added to its sum of digits gives 102144037580.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63090011 + ... + 63091629.

It is an arithmetic number, because the mean of its divisors is an integer number (2425217760).

Almost surely, 2^102144037580 is an apocalyptic number.

102144037580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102144037580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116410452480).

102144037580 is an abundant number, since it is smaller than the sum of its proper divisors (130676867380).

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

102144037580 is a wasteful number, since it uses less digits than its factorization.

102144037580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3399 (or 3397 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

Adding to 102144037580 its reverse (85730441201), we get a palindrome (187874478781).

The spelling of 102144037580 in words is "one hundred two billion, one hundred forty-four million, thirty-seven thousand, five hundred eighty".