144005401 has 2 divisors, whose sum is σ = 144005402. Its totient is φ = 144005400.

The previous prime is 144005363. The next prime is 144005423. The reversal of 144005401 is 104500441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 141633801 + 2371600 = 11901^2 + 1540^2 .

It is a cyclic number.

It is not a de Polignac number, because 144005401 - 2⁷ = 144005273 is a prime.

It is not a weakly prime, because it can be changed into another prime (144005441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72002700 + 72002701.

It is an arithmetic number, because the mean of its divisors is an integer number (72002701).

Almost surely, 2^144005401 is an apocalyptic number.

It is an amenable number.

144005401 is a deficient number, since it is larger than the sum of its proper divisors (1).

144005401 is an equidigital number, since it uses as much as digits as its factorization.

144005401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 144005401 is about 12000.2250395565. The cubic root of 144005401 is about 524.1548318266.

Adding to 144005401 its reverse (104500441), we get a palindrome (248505842).

The spelling of 144005401 in words is "one hundred forty-four million, five thousand, four hundred one".