102144111142 has 16 divisors (see below), whose sum is σ = 162258798240. Its totient is φ = 48058953088.

The previous prime is 102144111089. The next prime is 102144111149. The reversal of 102144111142 is 241111441201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102144111149) by changing a digit.

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, 88042 + ... + 460477.

It is an arithmetic number, because the mean of its divisors is an integer number (10141174890).

Almost surely, 2^102144111142 is an apocalyptic number.

102144111142 is a deficient number, since it is larger than the sum of its proper divisors (60114687098).

102144111142 is a wasteful number, since it uses less digits than its factorization.

102144111142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554015.

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 102144111142 its reverse (241111441201), we get a palindrome (343255552343).

The spelling of 102144111142 in words is "one hundred two billion, one hundred forty-four million, one hundred eleven thousand, one hundred forty-two".