102002204144 has 40 divisors (see below), whose sum is σ = 198033522960. Its totient is φ = 50896885248.

The previous prime is 102002204137. The next prime is 102002204147. The reversal of 102002204144 is 441402200201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102002204147) 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, 32004119 + ... + 32007305.

It is an arithmetic number, because the mean of its divisors is an integer number (4950838074).

Almost surely, 2^102002204144 is an apocalyptic number.

It is an amenable number.

102002204144 is a deficient number, since it is larger than the sum of its proper divisors (96031318816).

102002204144 is a wasteful number, since it uses less digits than its factorization.

102002204144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6657 (or 6651 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 102002204144 its reverse (441402200201), we get a palindrome (543404404345).

The spelling of 102002204144 in words is "one hundred two billion, two million, two hundred four thousand, one hundred forty-four".