144140442401 has 4 divisors (see below), whose sum is σ = 152619291972. Its totient is φ = 135661592832.

The previous prime is 144140442379. The next prime is 144140442409. The reversal of 144140442401 is 104244041441.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 110596153600 + 33544288801 = 332560^2 + 183151^2 .

It is not a de Polignac number, because 144140442401 - 2¹⁰ = 144140441377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144140442409) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 4239424760 + ... + 4239424793.

It is an arithmetic number, because the mean of its divisors is an integer number (38154822993).

Almost surely, 2^144140442401 is an apocalyptic number.

It is an amenable number.

144140442401 is a deficient number, since it is larger than the sum of its proper divisors (8478849571).

144140442401 is an equidigital number, since it uses as much as digits as its factorization.

144140442401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8478849570.

The product of its (nonzero) digits is 8192, while the sum is 29.

Adding to 144140442401 its reverse (104244041441), we get a palindrome (248384483842).

The spelling of 144140442401 in words is "one hundred forty-four billion, one hundred forty million, four hundred forty-two thousand, four hundred one".