1144410257 has 2 divisors, whose sum is σ = 1144410258. Its totient is φ = 1144410256.

The previous prime is 1144410217. The next prime is 1144410271. The reversal of 1144410257 is 7520144411.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 966961216 + 177449041 = 31096^2 + 13321^2 .

It is a cyclic number.

It is not a de Polignac number, because 1144410257 - 2¹² = 1144406161 is a prime.

It is not a weakly prime, because it can be changed into another prime (1144410217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572205128 + 572205129.

It is an arithmetic number, because the mean of its divisors is an integer number (572205129).

Almost surely, 2^1144410257 is an apocalyptic number.

It is an amenable number.

1144410257 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144410257 is an equidigital number, since it uses as much as digits as its factorization.

1144410257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 1144410257 is about 33829.1332581844. The cubic root of 1144410257 is about 1045.9893127242.

Adding to 1144410257 its reverse (7520144411), we get a palindrome (8664554668).

The spelling of 1144410257 in words is "one billion, one hundred forty-four million, four hundred ten thousand, two hundred fifty-seven".