144333001121 has 4 divisors (see below), whose sum is σ = 144339294852. Its totient is φ = 144326707392.

The previous prime is 144333001093. The next prime is 144333001139. The reversal of 144333001121 is 121100333441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 121100333441 = 23039 ⋅5256319.

It can be written as a sum of positive squares in 2 ways, for example, as 50613750625 + 93719250496 = 224975^2 + 306136^2 .

It is a cyclic number.

It is not a de Polignac number, because 144333001121 - 2¹⁴ = 144332984737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144333001321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3112340 + ... + 3158373.

It is an arithmetic number, because the mean of its divisors is an integer number (36084823713).

Almost surely, 2^144333001121 is an apocalyptic number.

It is an amenable number.

144333001121 is a deficient number, since it is larger than the sum of its proper divisors (6293731).

144333001121 is an equidigital number, since it uses as much as digits as its factorization.

144333001121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6293730.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 144333001121 its reverse (121100333441), we get a palindrome (265433334562).

The spelling of 144333001121 in words is "one hundred forty-four billion, three hundred thirty-three million, one thousand, one hundred twenty-one".