144332433330431 has 4 divisors (see below), whose sum is σ = 144339731344512. Its totient is φ = 144325135316352.

The previous prime is 144332433330419. The next prime is 144332433330439. The reversal of 144332433330431 is 134033334233441.

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 144332433330431 - 2¹⁰ = 144332433329407 is a prime.

It is a super-2 number, since 2×144332433330431² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144332433330439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3648977375 + ... + 3649016928.

It is an arithmetic number, because the mean of its divisors is an integer number (36084932836128).

Almost surely, 2^{144332433330431} is an apocalyptic number.

144332433330431 is a deficient number, since it is larger than the sum of its proper divisors (7298014081).

144332433330431 is an equidigital number, since it uses as much as digits as its factorization.

144332433330431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7298014080.

The product of its (nonzero) digits is 1119744, while the sum is 41.

Adding to 144332433330431 its reverse (134033334233441), we get a palindrome (278365767563872).

The spelling of 144332433330431 in words is "one hundred forty-four trillion, three hundred thirty-two billion, four hundred thirty-three million, three hundred thirty thousand, four hundred thirty-one".