1144541141 has 2 divisors, whose sum is σ = 1144541142. Its totient is φ = 1144541140.

The previous prime is 1144541119. The next prime is 1144541143. The reversal of 1144541141 is 1411454411.

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., 1116228100 + 28313041 = 33410^2 + 5321^2 .

It is a cyclic number.

It is not a de Polignac number, because 1144541141 - 2⁶ = 1144541077 is a prime.

Together with 1144541143, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1144541141.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1144541143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572270570 + 572270571.

It is an arithmetic number, because the mean of its divisors is an integer number (572270571).

Almost surely, 2^1144541141 is an apocalyptic number.

It is an amenable number.

1144541141 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144541141 is an equidigital number, since it uses as much as digits as its factorization.

1144541141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1280, while the sum is 26.

The square root of 1144541141 is about 33831.0676893296. The cubic root of 1144541141 is about 1046.0291871327.

Adding to 1144541141 its reverse (1411454411), we get a palindrome (2555995552).

The spelling of 1144541141 in words is "one billion, one hundred forty-four million, five hundred forty-one thousand, one hundred forty-one".