102144132242 has 8 divisors (see below), whose sum is σ = 154733190732. Its totient is φ = 50566402000.

The previous prime is 102144132241. The next prime is 102144132247. The reversal of 102144132242 is 242231441201.

It can be written as a sum of positive squares in 2 ways, for example, as 66848619601 + 35295512641 = 258551^2 + 187871^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (102144132241) 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, 252831809 + ... + 252832212.

Almost surely, 2^102144132242 is an apocalyptic number.

102144132242 is a deficient number, since it is larger than the sum of its proper divisors (52589058490).

102144132242 is a wasteful number, since it uses less digits than its factorization.

102144132242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505664124.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 102144132242 its reverse (242231441201), we get a palindrome (344375573443).

The spelling of 102144132242 in words is "one hundred two billion, one hundred forty-four million, one hundred thirty-two thousand, two hundred forty-two".