144703129 has 2 divisors, whose sum is σ = 144703130. Its totient is φ = 144703128.

The previous prime is 144703123. The next prime is 144703147. The reversal of 144703129 is 921307441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86211225 + 58491904 = 9285^2 + 7648^2 .

It is a cyclic number.

It is not a de Polignac number, because 144703129 - 2⁹ = 144702617 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144703129.

It is not a weakly prime, because it can be changed into another prime (144703123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72351564 + 72351565.

It is an arithmetic number, because the mean of its divisors is an integer number (72351565).

Almost surely, 2^144703129 is an apocalyptic number.

It is an amenable number.

144703129 is a deficient number, since it is larger than the sum of its proper divisors (1).

144703129 is an equidigital number, since it uses as much as digits as its factorization.

144703129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 144703129 is about 12029.2613655203. The cubic root of 144703129 is about 525.0000048375. Note that the first 5 decimals are identical.

The spelling of 144703129 in words is "one hundred forty-four million, seven hundred three thousand, one hundred twenty-nine".