144135443 has 4 divisors (see below), whose sum is σ = 144165840. Its totient is φ = 144105048.

The previous prime is 144135437. The next prime is 144135473. The reversal of 144135443 is 344531441.

It is a happy number.

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 144135443 - 2⁴ = 144135427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144135413) 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, 6380 + ... + 18137.

It is an arithmetic number, because the mean of its divisors is an integer number (36041460).

Almost surely, 2^144135443 is an apocalyptic number.

144135443 is a deficient number, since it is larger than the sum of its proper divisors (30397).

144135443 is an equidigital number, since it uses as much as digits as its factorization.

144135443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30396.

The product of its digits is 11520, while the sum is 29.

The square root of 144135443 is about 12005.6421319311. The cubic root of 144135443 is about 524.3125611776.

Adding to 144135443 its reverse (344531441), we get a palindrome (488666884).

The spelling of 144135443 in words is "one hundred forty-four million, one hundred thirty-five thousand, four hundred forty-three".