144726229 has 2 divisors, whose sum is σ = 144726230. Its totient is φ = 144726228.

The previous prime is 144726163. The next prime is 144726251. The reversal of 144726229 is 922627441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 144720900 + 5329 = 12030^2 + 73^2 .

It is a cyclic number.

It is not a de Polignac number, because 144726229 - 2²¹ = 142629077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144726289) 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, 72363114 + 72363115.

It is an arithmetic number, because the mean of its divisors is an integer number (72363115).

Almost surely, 2^144726229 is an apocalyptic number.

It is an amenable number.

144726229 is a deficient number, since it is larger than the sum of its proper divisors (1).

144726229 is an equidigital number, since it uses as much as digits as its factorization.

144726229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 37.

The square root of 144726229 is about 12030.2214859079. The cubic root of 144726229 is about 525.0279398585.

The spelling of 144726229 in words is "one hundred forty-four million, seven hundred twenty-six thousand, two hundred twenty-nine".