144471667 has 2 divisors, whose sum is σ = 144471668. Its totient is φ = 144471666.

The previous prime is 144471637. The next prime is 144471689. The reversal of 144471667 is 766174441.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 144471667 - 2⁷ = 144471539 is a prime.

It is not a weakly prime, because it can be changed into another prime (144471617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72235833 + 72235834.

It is an arithmetic number, because the mean of its divisors is an integer number (72235834).

Almost surely, 2^144471667 is an apocalyptic number.

144471667 is a deficient number, since it is larger than the sum of its proper divisors (1).

144471667 is an equidigital number, since it uses as much as digits as its factorization.

144471667 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 112896, while the sum is 40.

The square root of 144471667 is about 12019.6367249597. The cubic root of 144471667 is about 524.7199316483.

The spelling of 144471667 in words is "one hundred forty-four million, four hundred seventy-one thousand, six hundred sixty-seven".