144355441 has 2 divisors, whose sum is σ = 144355442. Its totient is φ = 144355440.

The previous prime is 144355433. The next prime is 144355447. The reversal of 144355441 is 144553441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 127215841 + 17139600 = 11279^2 + 4140^2 .

It is an emirp because it is prime and its reverse (144553441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 144355441 - 2³ = 144355433 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (144355447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72177720 + 72177721.

It is an arithmetic number, because the mean of its divisors is an integer number (72177721).

Almost surely, 2^144355441 is an apocalyptic number.

It is an amenable number.

144355441 is a deficient number, since it is larger than the sum of its proper divisors (1).

144355441 is an equidigital number, since it uses as much as digits as its factorization.

144355441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19200, while the sum is 31.

The square root of 144355441 is about 12014.8009138729. The cubic root of 144355441 is about 524.5791832658.

The spelling of 144355441 in words is "one hundred forty-four million, three hundred fifty-five thousand, four hundred forty-one".