143340401 has 2 divisors, whose sum is σ = 143340402. Its totient is φ = 143340400.

The previous prime is 143340397. The next prime is 143340433. The reversal of 143340401 is 104043341.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80550625 + 62789776 = 8975^2 + 7924^2 .

It is a cyclic number.

It is not a de Polignac number, because 143340401 - 2² = 143340397 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (143360401) 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, 71670200 + 71670201.

It is an arithmetic number, because the mean of its divisors is an integer number (71670201).

Almost surely, 2^143340401 is an apocalyptic number.

It is an amenable number.

143340401 is a deficient number, since it is larger than the sum of its proper divisors (1).

143340401 is an equidigital number, since it uses as much as digits as its factorization.

143340401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 143340401 is about 11972.4851639081. The cubic root of 143340401 is about 523.3467582350.

Adding to 143340401 its reverse (104043341), we get a palindrome (247383742).

The spelling of 143340401 in words is "one hundred forty-three million, three hundred forty thousand, four hundred one".