144429443 has 4 divisors (see below), whose sum is σ = 150709008. Its totient is φ = 138149880.

The previous prime is 144429437. The next prime is 144429451. The reversal of 144429443 is 344924441.

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

It is a cyclic number.

It is not a de Polignac number, because 144429443 - 2¹⁶ = 144363907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144429473) 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, 3139748 + ... + 3139793.

It is an arithmetic number, because the mean of its divisors is an integer number (37677252).

Almost surely, 2^144429443 is an apocalyptic number.

144429443 is a deficient number, since it is larger than the sum of its proper divisors (6279565).

144429443 is an equidigital number, since it uses as much as digits as its factorization.

144429443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6279564.

The product of its digits is 55296, while the sum is 35.

The square root of 144429443 is about 12017.8801375284. The cubic root of 144429443 is about 524.6688075913.

The spelling of 144429443 in words is "one hundred forty-four million, four hundred twenty-nine thousand, four hundred forty-three".