144121275401 has 4 divisors (see below), whose sum is σ = 144641569092. Its totient is φ = 143600981712.

The previous prime is 144121275373. The next prime is 144121275413. The reversal of 144121275401 is 104572121441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 104572121441 = 25561 ⋅4091081.

It can be written as a sum of positive squares in 2 ways, for example, as 36963907600 + 107157367801 = 192260^2 + 327349^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144121275401 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (144121275451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 260146430 + ... + 260146983.

It is an arithmetic number, because the mean of its divisors is an integer number (36160392273).

Almost surely, 2^144121275401 is an apocalyptic number.

It is an amenable number.

144121275401 is a deficient number, since it is larger than the sum of its proper divisors (520293691).

144121275401 is an equidigital number, since it uses as much as digits as its factorization.

144121275401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520293690.

The product of its (nonzero) digits is 8960, while the sum is 32.

Adding to 144121275401 its reverse (104572121441), we get a palindrome (248693396842).

The spelling of 144121275401 in words is "one hundred forty-four billion, one hundred twenty-one million, two hundred seventy-five thousand, four hundred one".