144120213 has 6 divisors (see below), whose sum is σ = 208173654. Its totient is φ = 96080136.

The previous prime is 144120211. The next prime is 144120259. The reversal of 144120213 is 312021441.

It can be written as a sum of positive squares in only one way, i.e., 115412049 + 28708164 = 10743^2 + 5358^2 .

It is not a de Polignac number, because 144120213 - 2¹ = 144120211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144120211) 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 5 ways as a sum of consecutive naturals, for example, 8006670 + ... + 8006687.

It is an arithmetic number, because the mean of its divisors is an integer number (34695609).

Almost surely, 2^144120213 is an apocalyptic number.

It is an amenable number.

144120213 is a deficient number, since it is larger than the sum of its proper divisors (64053441).

144120213 is a wasteful number, since it uses less digits than its factorization.

144120213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16013363 (or 16013360 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 144120213 is about 12005.0078300683. The cubic root of 144120213 is about 524.2940934517.

Adding to 144120213 its reverse (312021441), we get a palindrome (456141654).

The spelling of 144120213 in words is "one hundred forty-four million, one hundred twenty thousand, two hundred thirteen".