1144553453 has 2 divisors, whose sum is σ = 1144553454. Its totient is φ = 1144553452.

The previous prime is 1144553413. The next prime is 1144553461. The reversal of 1144553453 is 3543554411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 595213609 + 549339844 = 24397^2 + 23438^2 .

It is an emirp because it is prime and its reverse (3543554411) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1144553453 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1144553413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572276726 + 572276727.

It is an arithmetic number, because the mean of its divisors is an integer number (572276727).

Almost surely, 2^1144553453 is an apocalyptic number.

It is an amenable number.

1144553453 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144553453 is an equidigital number, since it uses as much as digits as its factorization.

1144553453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72000, while the sum is 35.

The square root of 1144553453 is about 33831.2496517643. The cubic root of 1144553453 is about 1046.0329378833.

The spelling of 1144553453 in words is "one billion, one hundred forty-four million, five hundred fifty-three thousand, four hundred fifty-three".