144338461 has 2 divisors, whose sum is σ = 144338462. Its totient is φ = 144338460.

The previous prime is 144338437. The next prime is 144338473. The reversal of 144338461 is 164833441.

144338461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 142324900 + 2013561 = 11930^2 + 1419^2 .

It is an emirp because it is prime and its reverse (164833441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 144338461 - 2⁵ = 144338429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144333461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72169230 + 72169231.

It is an arithmetic number, because the mean of its divisors is an integer number (72169231).

Almost surely, 2^144338461 is an apocalyptic number.

It is an amenable number.

144338461 is a deficient number, since it is larger than the sum of its proper divisors (1).

144338461 is an equidigital number, since it uses as much as digits as its factorization.

144338461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27648, while the sum is 34.

The square root of 144338461 is about 12014.0942646543. The cubic root of 144338461 is about 524.5586143522.

The spelling of 144338461 in words is "one hundred forty-four million, three hundred thirty-eight thousand, four hundred sixty-one".