102230144 has 32 divisors (see below), whose sum is σ = 207016140. Its totient is φ = 50273280.

The previous prime is 102230069. The next prime is 102230153. The reversal of 102230144 is 441032201.

It can be written as a sum of positive squares in 2 ways, for example, as 101767744 + 462400 = 10088^2 + 680^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1262 + ... + 14354.

Almost surely, 2^102230144 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 102230144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103508070).

102230144 is an abundant number, since it is smaller than the sum of its proper divisors (104785996).

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

102230144 is an equidigital number, since it uses as much as digits as its factorization.

102230144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13168 (or 13156 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 102230144 is about 10110.8923443977. The cubic root of 102230144 is about 467.5840168521.

Adding to 102230144 its reverse (441032201), we get a palindrome (543262345).

The spelling of 102230144 in words is "one hundred two million, two hundred thirty thousand, one hundred forty-four".