1444075453 has 2 divisors, whose sum is σ = 1444075454. Its totient is φ = 1444075452.

The previous prime is 1444075427. The next prime is 1444075483. The reversal of 1444075453 is 3545704441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1191837529 + 252237924 = 34523^2 + 15882^2 .

It is an emirp because it is prime and its reverse (3545704441) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1444075453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1444075483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 722037726 + 722037727.

It is an arithmetic number, because the mean of its divisors is an integer number (722037727).

Almost surely, 2^1444075453 is an apocalyptic number.

It is an amenable number.

1444075453 is a deficient number, since it is larger than the sum of its proper divisors (1).

1444075453 is an equidigital number, since it uses as much as digits as its factorization.

1444075453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 134400, while the sum is 37.

The square root of 1444075453 is about 38000.9927896627. The cubic root of 1444075453 is about 1130.3075501398.

Adding to 1444075453 its reverse (3545704441), we get a palindrome (4989779894).

The spelling of 1444075453 in words is "one billion, four hundred forty-four million, seventy-five thousand, four hundred fifty-three".