143314447 has 2 divisors, whose sum is σ = 143314448. Its totient is φ = 143314446.

The previous prime is 143314373. The next prime is 143314459. The reversal of 143314447 is 744413341.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 143314447 - 2⁷ = 143314319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143314477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71657223 + 71657224.

It is an arithmetic number, because the mean of its divisors is an integer number (71657224).

Almost surely, 2^143314447 is an apocalyptic number.

143314447 is a deficient number, since it is larger than the sum of its proper divisors (1).

143314447 is an equidigital number, since it uses as much as digits as its factorization.

143314447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16128, while the sum is 31.

The square root of 143314447 is about 11971.4012128907. The cubic root of 143314447 is about 523.3151696492.

Adding to 143314447 its reverse (744413341), we get a palindrome (887727788).

The spelling of 143314447 in words is "one hundred forty-three million, three hundred fourteen thousand, four hundred forty-seven".