144423029 has 2 divisors, whose sum is σ = 144423030. Its totient is φ = 144423028.

The previous prime is 144423023. The next prime is 144423043. The reversal of 144423029 is 920324441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 142802500 + 1620529 = 11950^2 + 1273^2 .

It is a cyclic number.

It is not a de Polignac number, because 144423029 - 2²⁴ = 127645813 is a prime.

It is a super-2 number, since 2×144423029² = 41716022611069682, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 144422992 and 144423010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144423023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72211514 + 72211515.

It is an arithmetic number, because the mean of its divisors is an integer number (72211515).

Almost surely, 2^144423029 is an apocalyptic number.

It is an amenable number.

144423029 is a deficient number, since it is larger than the sum of its proper divisors (1).

144423029 is an equidigital number, since it uses as much as digits as its factorization.

144423029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 144423029 is about 12017.6132821788. The cubic root of 144423029 is about 524.6610407642.

It can be divided in two parts, 14442 and 3029, that added together give a palindrome (17471).

The spelling of 144423029 in words is "one hundred forty-four million, four hundred twenty-three thousand, twenty-nine".