144012423242 has 4 divisors (see below), whose sum is σ = 216018634866. Its totient is φ = 72006211620.

The previous prime is 144012423239. The next prime is 144012423259. The reversal of 144012423242 is 242324210441.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 242324210441 = 67931 ⋅3567211.

It can be written as a sum of positive squares in only one way, i.e., 89209145041 + 54803278201 = 298679^2 + 234101^2 .

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 as a sum of consecutive naturals, namely, 36003105809 + ... + 36003105812.

Almost surely, 2^144012423242 is an apocalyptic number.

144012423242 is a deficient number, since it is larger than the sum of its proper divisors (72006211624).

144012423242 is an equidigital number, since it uses as much as digits as its factorization.

144012423242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72006211623.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 144012423242 its reverse (242324210441), we get a palindrome (386336633683).

The spelling of 144012423242 in words is "one hundred forty-four billion, twelve million, four hundred twenty-three thousand, two hundred forty-two".