1144000232257 has 2 divisors, whose sum is σ = 1144000232258. Its totient is φ = 1144000232256.

The previous prime is 1144000232189. The next prime is 1144000232281. The reversal of 1144000232257 is 7522320004411.

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., 1116817785616 + 27182446641 = 1056796^2 + 164871^2 .

It is an emirp because it is prime and its reverse (7522320004411) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1144000232257 is a prime.

It is not a weakly prime, because it can be changed into another prime (1144000232657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572000116128 + 572000116129.

It is an arithmetic number, because the mean of its divisors is an integer number (572000116129).

Almost surely, 2^{1144000232257} is an apocalyptic number.

It is an amenable number.

1144000232257 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144000232257 is an equidigital number, since it uses as much as digits as its factorization.

1144000232257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13440, while the sum is 31.

Adding to 1144000232257 its reverse (7522320004411), we get a palindrome (8666320236668).

The spelling of 1144000232257 in words is "one trillion, one hundred forty-four billion, two hundred thirty-two thousand, two hundred fifty-seven".