144330421112242 has 4 divisors (see below), whose sum is σ = 216495631668366. Its totient is φ = 72165210556120.

The previous prime is 144330421112233. The next prime is 144330421112243. The reversal of 144330421112242 is 242211124033441.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 128052738649521 + 16277682462721 = 11316039^2 + 4034561^2 .

It is a super-2 number, since 2×144330421112242² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 144330421112198 and 144330421112207.

It is not an unprimeable number, because it can be changed into a prime (144330421112243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36082605278059 + ... + 36082605278062.

Almost surely, 2^{144330421112242} is an apocalyptic number.

144330421112242 is a deficient number, since it is larger than the sum of its proper divisors (72165210556124).

144330421112242 is an equidigital number, since it uses as much as digits as its factorization.

144330421112242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72165210556123.

The product of its (nonzero) digits is 36864, while the sum is 34.

Adding to 144330421112242 its reverse (242211124033441), we get a palindrome (386541545145683).

The spelling of 144330421112242 in words is "one hundred forty-four trillion, three hundred thirty billion, four hundred twenty-one million, one hundred twelve thousand, two hundred forty-two".