144381001 has 2 divisors, whose sum is σ = 144381002. Its totient is φ = 144381000.

The previous prime is 144380963. The next prime is 144381023. The reversal of 144381001 is 100183441.

It is an a-pointer prime, because the next prime (144381023) can be obtained adding 144381001 to its sum of digits (22).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121110025 + 23270976 = 11005^2 + 4824^2 .

It is an emirp because it is prime and its reverse (100183441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 144381001 - 2¹⁷ = 144249929 is a prime.

It is not a weakly prime, because it can be changed into another prime (144381031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72190500 + 72190501.

It is an arithmetic number, because the mean of its divisors is an integer number (72190501).

Almost surely, 2^144381001 is an apocalyptic number.

144381001 is the 7600-th centered pentagonal number.

It is an amenable number.

144381001 is a deficient number, since it is larger than the sum of its proper divisors (1).

144381001 is an equidigital number, since it uses as much as digits as its factorization.

144381001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 144381001 is about 12015.8645548292. The cubic root of 144381001 is about 524.6101426176.

The spelling of 144381001 in words is "one hundred forty-four million, three hundred eighty-one thousand, one".