144556241 has 2 divisors, whose sum is σ = 144556242. Its totient is φ = 144556240.

The previous prime is 144556207. The next prime is 144556259. The reversal of 144556241 is 142655441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 86415616 + 58140625 = 9296^2 + 7625^2 .

It is a cyclic number.

It is not a de Polignac number, because 144556241 - 2⁶ = 144556177 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 144556198 and 144556207.

It is not a weakly prime, because it can be changed into another prime (144556141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72278120 + 72278121.

It is an arithmetic number, because the mean of its divisors is an integer number (72278121).

Almost surely, 2^144556241 is an apocalyptic number.

It is an amenable number.

144556241 is a deficient number, since it is larger than the sum of its proper divisors (1).

144556241 is an equidigital number, since it uses as much as digits as its factorization.

144556241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19200, while the sum is 32.

The square root of 144556241 is about 12023.1543697983. The cubic root of 144556241 is about 524.8223023706.

Adding to 144556241 its product of digits (19200), we get a palindrome (144575441).

The spelling of 144556241 in words is "one hundred forty-four million, five hundred fifty-six thousand, two hundred forty-one".