144321400242 has 40 divisors (see below), whose sum is σ = 323419130496. Its totient is φ = 48102330168.

The previous prime is 144321400177. The next prime is 144321400243. The reversal of 144321400242 is 242004123441.

144321400242 is a `hidden beast` number, since 1 + 443 + 214 + 0 + 0 + 2 + 4 + 2 = 666.

144321400242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (144321400243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1824763 + ... + 1902209.

Almost surely, 2^144321400242 is an apocalyptic number.

144321400242 is an abundant number, since it is smaller than the sum of its proper divisors (179097730254).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144321400242 is a wasteful number, since it uses less digits than its factorization.

144321400242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88964 (or 88955 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 144321400242 its reverse (242004123441), we get a palindrome (386325523683).

The spelling of 144321400242 in words is "one hundred forty-four billion, three hundred twenty-one million, four hundred thousand, two hundred forty-two".