1445341477 has 2 divisors, whose sum is σ = 1445341478. Its totient is φ = 1445341476.

The previous prime is 1445341463. The next prime is 1445341483. The reversal of 1445341477 is 7741435441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1318125636 + 127215841 = 36306^2 + 11279^2 .

It is an emirp because it is prime and its reverse (7741435441) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1445341477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1445341277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 722670738 + 722670739.

It is an arithmetic number, because the mean of its divisors is an integer number (722670739).

Almost surely, 2^1445341477 is an apocalyptic number.

It is an amenable number.

1445341477 is a deficient number, since it is larger than the sum of its proper divisors (1).

1445341477 is an equidigital number, since it uses as much as digits as its factorization.

1445341477 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 188160, while the sum is 40.

The square root of 1445341477 is about 38017.6469156101. The cubic root of 1445341477 is about 1130.6377679967.

The spelling of 1445341477 in words is "one billion, four hundred forty-five million, three hundred forty-one thousand, four hundred seventy-seven".