144310440120442 has 4 divisors (see below), whose sum is σ = 216465660180666. Its totient is φ = 72155220060220.

The previous prime is 144310440120419. The next prime is 144310440120449. The reversal of 144310440120442 is 244021044013441.

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., 135921764785401 + 8388675335041 = 11658549^2 + 2896321^2 .

It is a junction number, because it is equal to n+sod(n) for n = 144310440120398 and 144310440120407.

It is not an unprimeable number, because it can be changed into a prime (144310440120449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36077610030109 + ... + 36077610030112.

Almost surely, 2^{144310440120442} is an apocalyptic number.

144310440120442 is a deficient number, since it is larger than the sum of its proper divisors (72155220060224).

144310440120442 is an equidigital number, since it uses as much as digits as its factorization.

144310440120442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72155220060223.

The product of its (nonzero) digits is 49152, while the sum is 34.

Adding to 144310440120442 its reverse (244021044013441), we get a palindrome (388331484133883).

The spelling of 144310440120442 in words is "one hundred forty-four trillion, three hundred ten billion, four hundred forty million, one hundred twenty thousand, four hundred forty-two".