144240403020442 has 64 divisors (see below), whose sum is σ = 230912101499904. Its totient is φ = 67428672030720.

The previous prime is 144240403020407. The next prime is 144240403020457. The reversal of 144240403020442 is 244020304042441.

It is a junction number, because it is equal to n+sod(n) for n = 144240403020398 and 144240403020407.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5530041133 + ... + 5530067215.

It is an arithmetic number, because the mean of its divisors is an integer number (3608001585936).

Almost surely, 2^{144240403020442} is an apocalyptic number.

144240403020442 is a deficient number, since it is larger than the sum of its proper divisors (86671698479462).

144240403020442 is a wasteful number, since it uses less digits than its factorization.

144240403020442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40003.

The product of its (nonzero) digits is 98304, while the sum is 34.

Adding to 144240403020442 its reverse (244020304042441), we get a palindrome (388260707062883).

The spelling of 144240403020442 in words is "one hundred forty-four trillion, two hundred forty billion, four hundred three million, twenty thousand, four hundred forty-two".