102144684 has 24 divisors (see below), whose sum is σ = 250882240. Its totient is φ = 32256144.

The previous prime is 102144667. The next prime is 102144689. The reversal of 102144684 is 486441201.

It is not an unprimeable number, because it can be changed into a prime (102144689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223774 + ... + 224229.

Almost surely, 2^102144684 is an apocalyptic number.

It is an amenable number.

102144684 is an abundant number, since it is smaller than the sum of its proper divisors (148737556).

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

102144684 is a wasteful number, since it uses less digits than its factorization.

102144684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448029 (or 448027 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 102144684 is about 10106.6653254177. The cubic root of 102144684 is about 467.4536871582.

Adding to 102144684 its reverse (486441201), we get a palindrome (588585885).

The spelling of 102144684 in words is "one hundred two million, one hundred forty-four thousand, six hundred eighty-four".