1144091147 has 2 divisors, whose sum is σ = 1144091148. Its totient is φ = 1144091146.

The previous prime is 1144091131. The next prime is 1144091149. The reversal of 1144091147 is 7411904411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1144091147 - 2⁴ = 1144091131 is a prime.

Together with 1144091149, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1144091149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572045573 + 572045574.

It is an arithmetic number, because the mean of its divisors is an integer number (572045574).

Almost surely, 2^1144091147 is an apocalyptic number.

1144091147 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144091147 is an equidigital number, since it uses as much as digits as its factorization.

1144091147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 1144091147 is about 33824.4164325122. The cubic root of 1144091147 is about 1045.8920816607.

Adding to 1144091147 its reverse (7411904411), we get a palindrome (8555995558).

The spelling of 1144091147 in words is "one billion, one hundred forty-four million, ninety-one thousand, one hundred forty-seven".