144154220501 has 2 divisors, whose sum is σ = 144154220502. Its totient is φ = 144154220500.

The previous prime is 144154220491. The next prime is 144154220531. The reversal of 144154220501 is 105022451441.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 142902900625 + 1251319876 = 378025^2 + 35374^2 .

It is a cyclic number.

It is not a de Polignac number, because 144154220501 - 2³⁰ = 143080478677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144154220531) 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 as a sum of consecutive naturals, namely, 72077110250 + 72077110251.

It is an arithmetic number, because the mean of its divisors is an integer number (72077110251).

Almost surely, 2^144154220501 is an apocalyptic number.

It is an amenable number.

144154220501 is a deficient number, since it is larger than the sum of its proper divisors (1).

144154220501 is an equidigital number, since it uses as much as digits as its factorization.

144154220501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6400, while the sum is 29.

Adding to 144154220501 its reverse (105022451441), we get a palindrome (249176671942).

The spelling of 144154220501 in words is "one hundred forty-four billion, one hundred fifty-four million, two hundred twenty thousand, five hundred one".