144398941 has 2 divisors, whose sum is σ = 144398942. Its totient is φ = 144398940.

The previous prime is 144398923. The next prime is 144398957. The reversal of 144398941 is 149893441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 143496441 + 902500 = 11979^2 + 950^2 .

It is an emirp because it is prime and its reverse (149893441) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144398941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144398911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72199470 + 72199471.

It is an arithmetic number, because the mean of its divisors is an integer number (72199471).

Almost surely, 2^144398941 is an apocalyptic number.

It is an amenable number.

144398941 is a deficient number, since it is larger than the sum of its proper divisors (1).

144398941 is an equidigital number, since it uses as much as digits as its factorization.

144398941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 124416, while the sum is 43.

The square root of 144398941 is about 12016.6110447164. The cubic root of 144398941 is about 524.6318701212.

The spelling of 144398941 in words is "one hundred forty-four million, three hundred ninety-eight thousand, nine hundred forty-one".