144312029 has 4 divisors (see below), whose sum is σ = 144350076. Its totient is φ = 144273984.

The previous prime is 144312019. The next prime is 144312061. The reversal of 144312029 is 920213441.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 62047129 + 82264900 = 7877^2 + 9070^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144312029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144311989 and 144312007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144312019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12614 + ... + 21159.

It is an arithmetic number, because the mean of its divisors is an integer number (36087519).

Almost surely, 2^144312029 is an apocalyptic number.

It is an amenable number.

144312029 is a deficient number, since it is larger than the sum of its proper divisors (38047).

144312029 is an equidigital number, since it uses as much as digits as its factorization.

144312029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38046.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 144312029 is about 12012.9941729779. The cubic root of 144312029 is about 524.5265924419.

The spelling of 144312029 in words is "one hundred forty-four million, three hundred twelve thousand, twenty-nine".