144221041 has 2 divisors, whose sum is σ = 144221042. Its totient is φ = 144221040.

The previous prime is 144221027. The next prime is 144221059. The reversal of 144221041 is 140122441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 127238400 + 16982641 = 11280^2 + 4121^2 .

It is a cyclic number.

It is not a de Polignac number, because 144221041 - 2⁹ = 144220529 is a prime.

It is not a weakly prime, because it can be changed into another prime (144228041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72110520 + 72110521.

It is an arithmetic number, because the mean of its divisors is an integer number (72110521).

Almost surely, 2^144221041 is an apocalyptic number.

It is an amenable number.

144221041 is a deficient number, since it is larger than the sum of its proper divisors (1).

144221041 is an equidigital number, since it uses as much as digits as its factorization.

144221041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 144221041 is about 12009.2065100072. The cubic root of 144221041 is about 524.4163321499.

Adding to 144221041 its reverse (140122441), we get a palindrome (284343482).

The spelling of 144221041 in words is "one hundred forty-four million, two hundred twenty-one thousand, forty-one".