144007229 has 2 divisors, whose sum is σ = 144007230. Its totient is φ = 144007228.

The previous prime is 144007223. The next prime is 144007247. The reversal of 144007229 is 922700441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 143952004 + 55225 = 11998^2 + 235^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144007229 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144007223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72003614 + 72003615.

It is an arithmetic number, because the mean of its divisors is an integer number (72003615).

Almost surely, 2^144007229 is an apocalyptic number.

It is an amenable number.

144007229 is a deficient number, since it is larger than the sum of its proper divisors (1).

144007229 is an equidigital number, since it uses as much as digits as its factorization.

144007229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 144007229 is about 12000.3012045532. The cubic root of 144007229 is about 524.1570496855.

The spelling of 144007229 in words is "one hundred forty-four million, seven thousand, two hundred twenty-nine".