144311471 has 2 divisors, whose sum is σ = 144311472. Its totient is φ = 144311470.

The previous prime is 144311443. The next prime is 144311473. The reversal of 144311471 is 174113441.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 144311471 - 2¹⁴ = 144295087 is a prime.

It is a super-3 number, since 3×144311471³ (a number of 25 digits) contains 333 as substring.

Together with 144311473, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144311471.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144311473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72155735 + 72155736.

It is an arithmetic number, because the mean of its divisors is an integer number (72155736).

Almost surely, 2^144311471 is an apocalyptic number.

144311471 is a deficient number, since it is larger than the sum of its proper divisors (1).

144311471 is an equidigital number, since it uses as much as digits as its factorization.

144311471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1344, while the sum is 26.

The square root of 144311471 is about 12012.9709481044. The cubic root of 144311471 is about 524.5259163925.

The spelling of 144311471 in words is "one hundred forty-four million, three hundred eleven thousand, four hundred seventy-one".