102102230144 has 32 divisors (see below), whose sum is σ = 203456074800. Its totient is φ = 51038744832.

The previous prime is 102102230119. The next prime is 102102230149. The reversal of 102102230144 is 441032201201.

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (102102230149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 445499 + ... + 634565.

Almost surely, 2^102102230144 is an apocalyptic number.

It is an amenable number.

102102230144 is a deficient number, since it is larger than the sum of its proper divisors (101353844656).

102102230144 is an equidigital number, since it uses as much as digits as its factorization.

102102230144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193300 (or 193288 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 102102230144 its reverse (441032201201), we get a palindrome (543134431345).

The spelling of 102102230144 in words is "one hundred two billion, one hundred two million, two hundred thirty thousand, one hundred forty-four".