144230553121 has 4 divisors (see below), whose sum is σ = 149204020500. Its totient is φ = 139257085744.

The previous prime is 144230553107. The next prime is 144230553139. The reversal of 144230553121 is 121355032441.

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 44083621521 + 100146931600 = 209961^2 + 316460^2 .

It is a cyclic number.

It is not a de Polignac number, because 144230553121 - 2¹⁵ = 144230520353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144230553161) 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, 2486733646 + ... + 2486733703.

It is an arithmetic number, because the mean of its divisors is an integer number (37301005125).

Almost surely, 2^144230553121 is an apocalyptic number.

It is an amenable number.

144230553121 is a deficient number, since it is larger than the sum of its proper divisors (4973467379).

144230553121 is an equidigital number, since it uses as much as digits as its factorization.

144230553121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4973467378.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 144230553121 its reverse (121355032441), we get a palindrome (265585585562).

The spelling of 144230553121 in words is "one hundred forty-four billion, two hundred thirty million, five hundred fifty-three thousand, one hundred twenty-one".