102144056602 has 16 divisors (see below), whose sum is σ = 176178359232. Its totient is φ = 43507458720.

The previous prime is 102144056561. The next prime is 102144056617. The reversal of 102144056602 is 206650441201.

It is a happy number.

It is a super-2 number, since 2×102144056602² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22378099 + ... + 22382662.

It is an arithmetic number, because the mean of its divisors is an integer number (11011147452).

Almost surely, 2^102144056602 is an apocalyptic number.

102144056602 is a deficient number, since it is larger than the sum of its proper divisors (74034302630).

102144056602 is a wasteful number, since it uses less digits than its factorization.

102144056602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44760933.

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 102144056602 its reverse (206650441201), we get a palindrome (308794497803).

The spelling of 102144056602 in words is "one hundred two billion, one hundred forty-four million, fifty-six thousand, six hundred two".