144111071477 has 2 divisors, whose sum is σ = 144111071478. Its totient is φ = 144111071476.

The previous prime is 144111071473. The next prime is 144111071479. The reversal of 144111071477 is 774170111441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 129284112721 + 14826958756 = 359561^2 + 121766^2 .

It is a cyclic number.

It is not a de Polignac number, because 144111071477 - 2² = 144111071473 is a prime.

Together with 144111071479, 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 144111071477.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144111071473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72055535738 + 72055535739.

It is an arithmetic number, because the mean of its divisors is an integer number (72055535739).

Almost surely, 2^144111071477 is an apocalyptic number.

It is an amenable number.

144111071477 is a deficient number, since it is larger than the sum of its proper divisors (1).

144111071477 is an equidigital number, since it uses as much as digits as its factorization.

144111071477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21952, while the sum is 38.

The spelling of 144111071477 in words is "one hundred forty-four billion, one hundred eleven million, seventy-one thousand, four hundred seventy-seven".