144432193471 has 6 divisors (see below), whose sum is σ = 147570604640. Its totient is φ = 141359165916.

The previous prime is 144432193463. The next prime is 144432193517. The reversal of 144432193471 is 174391234441.

It is a happy number.

It is not a de Polignac number, because 144432193471 - 2³ = 144432193463 is a prime.

It is a super-3 number, since 3×144432193471³ (a number of 34 digits) contains 333 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 (144432193421) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 32689551 + ... + 32693968.

Almost surely, 2^144432193471 is an apocalyptic number.

144432193471 is a deficient number, since it is larger than the sum of its proper divisors (3138411169).

144432193471 is an frugal number, since it uses more digits than its factorization.

144432193471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65383613 (or 65383566 counting only the distinct ones).

The product of its digits is 290304, while the sum is 43.

The spelling of 144432193471 in words is "one hundred forty-four billion, four hundred thirty-two million, one hundred ninety-three thousand, four hundred seventy-one".