143314121 has 2 divisors, whose sum is σ = 143314122. Its totient is φ = 143314120.

The previous prime is 143314109. The next prime is 143314159. The reversal of 143314121 is 121413341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 142539721 + 774400 = 11939^2 + 880^2 .

It is a cyclic number.

It is not a de Polignac number, because 143314121 - 2⁶ = 143314057 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 143314093 and 143314102.

It is not a weakly prime, because it can be changed into another prime (143314021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71657060 + 71657061.

It is an arithmetic number, because the mean of its divisors is an integer number (71657061).

Almost surely, 2^143314121 is an apocalyptic number.

It is an amenable number.

143314121 is a deficient number, since it is larger than the sum of its proper divisors (1).

143314121 is an equidigital number, since it uses as much as digits as its factorization.

143314121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 288, while the sum is 20.

The square root of 143314121 is about 11971.3875971000. The cubic root of 143314121 is about 523.3147728507.

Adding to 143314121 its reverse (121413341), we get a palindrome (264727462).

The spelling of 143314121 in words is "one hundred forty-three million, three hundred fourteen thousand, one hundred twenty-one".