144212429 has 2 divisors, whose sum is σ = 144212430. Its totient is φ = 144212428.

The previous prime is 144212407. The next prime is 144212441. The reversal of 144212429 is 924212441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 128822500 + 15389929 = 11350^2 + 3923^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144212429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144212729) 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, 72106214 + 72106215.

It is an arithmetic number, because the mean of its divisors is an integer number (72106215).

Almost surely, 2^144212429 is an apocalyptic number.

It is an amenable number.

144212429 is a deficient number, since it is larger than the sum of its proper divisors (1).

144212429 is an equidigital number, since it uses as much as digits as its factorization.

144212429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4608, while the sum is 29.

The square root of 144212429 is about 12008.8479464102. The cubic root of 144212429 is about 524.4058936284.

The spelling of 144212429 in words is "one hundred forty-four million, two hundred twelve thousand, four hundred twenty-nine".