167144287 has 2 divisors, whose sum is σ = 167144288. Its totient is φ = 167144286.

The previous prime is 167144251. The next prime is 167144317. The reversal of 167144287 is 782441761.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-167144287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (167144587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83572143 + 83572144.

It is an arithmetic number, because the mean of its divisors is an integer number (83572144).

Almost surely, 2^167144287 is an apocalyptic number.

167144287 is a deficient number, since it is larger than the sum of its proper divisors (1).

167144287 is an equidigital number, since it uses as much as digits as its factorization.

167144287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 75264, while the sum is 40.

The square root of 167144287 is about 12928.4294096383. The cubic root of 167144287 is about 550.8463959851.

The spelling of 167144287 in words is "one hundred sixty-seven million, one hundred forty-four thousand, two hundred eighty-seven".