1144261357 has 2 divisors, whose sum is σ = 1144261358. Its totient is φ = 1144261356.

The previous prime is 1144261319. The next prime is 1144261379. The reversal of 1144261357 is 7531624411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1130909641 + 13351716 = 33629^2 + 3654^2 .

It is an emirp because it is prime and its reverse (7531624411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1144261357 - 2¹¹ = 1144259309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1144361357) 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, 572130678 + 572130679.

It is an arithmetic number, because the mean of its divisors is an integer number (572130679).

Almost surely, 2^1144261357 is an apocalyptic number.

It is an amenable number.

1144261357 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144261357 is an equidigital number, since it uses as much as digits as its factorization.

1144261357 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 34.

The square root of 1144261357 is about 33826.9324207797. The cubic root of 1144261357 is about 1045.9439459620.

Adding to 1144261357 its reverse (7531624411), we get a palindrome (8675885768).

The spelling of 1144261357 in words is "one billion, one hundred forty-four million, two hundred sixty-one thousand, three hundred fifty-seven".