1144085167 has 2 divisors, whose sum is σ = 1144085168. Its totient is φ = 1144085166.

The previous prime is 1144085161. The next prime is 1144085191. The reversal of 1144085167 is 7615804411.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1144085167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1144085161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572042583 + 572042584.

It is an arithmetic number, because the mean of its divisors is an integer number (572042584).

Almost surely, 2^1144085167 is an apocalyptic number.

1144085167 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144085167 is an equidigital number, since it uses as much as digits as its factorization.

1144085167 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26880, while the sum is 37.

The square root of 1144085167 is about 33824.3280347149. The cubic root of 1144085167 is about 1045.8902594150.

Adding to 1144085167 its reverse (7615804411), we get a palindrome (8759889578).

The spelling of 1144085167 in words is "one billion, one hundred forty-four million, eighty-five thousand, one hundred sixty-seven".