1445128558229 has 2 divisors, whose sum is σ = 1445128558230. Its totient is φ = 1445128558228.

The previous prime is 1445128558183. The next prime is 1445128558231. The reversal of 1445128558229 is 9228558215441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1445128558225 + 4 = 1202135^2 + 2^2 .

It is an emirp because it is prime and its reverse (9228558215441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1445128558229 - 2²⁴ = 1445111781013 is a prime.

Together with 1445128558231, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1445128558249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 722564279114 + 722564279115.

It is an arithmetic number, because the mean of its divisors is an integer number (722564279115).

Almost surely, 2^{1445128558229} is an apocalyptic number.

It is an amenable number.

1445128558229 is a deficient number, since it is larger than the sum of its proper divisors (1).

1445128558229 is an equidigital number, since it uses as much as digits as its factorization.

1445128558229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9216000, while the sum is 56.

The spelling of 1445128558229 in words is "one trillion, four hundred forty-five billion, one hundred twenty-eight million, five hundred fifty-eight thousand, two hundred twenty-nine".