144619429 has 2 divisors, whose sum is σ = 144619430. Its totient is φ = 144619428.

The previous prime is 144619427. The next prime is 144619477. The reversal of 144619429 is 924916441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 143760100 + 859329 = 11990^2 + 927^2 .

It is a cyclic number.

It is not a de Polignac number, because 144619429 - 2¹ = 144619427 is a prime.

Together with 144619427, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 144619391 and 144619400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144619427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72309714 + 72309715.

It is an arithmetic number, because the mean of its divisors is an integer number (72309715).

Almost surely, 2^144619429 is an apocalyptic number.

It is an amenable number.

144619429 is a deficient number, since it is larger than the sum of its proper divisors (1).

144619429 is an equidigital number, since it uses as much as digits as its factorization.

144619429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 40.

The square root of 144619429 is about 12025.7818456847. The cubic root of 144619429 is about 524.8987608263.

The spelling of 144619429 in words is "one hundred forty-four million, six hundred nineteen thousand, four hundred twenty-nine".