143530601 has 2 divisors, whose sum is σ = 143530602. Its totient is φ = 143530600.

The previous prime is 143530591. The next prime is 143530633. The reversal of 143530601 is 106035341.

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., 143520400 + 10201 = 11980^2 + 101^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143530601 is a prime.

It is not a weakly prime, because it can be changed into another prime (143530691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71765300 + 71765301.

It is an arithmetic number, because the mean of its divisors is an integer number (71765301).

Almost surely, 2^143530601 is an apocalyptic number.

It is an amenable number.

143530601 is a deficient number, since it is larger than the sum of its proper divisors (1).

143530601 is an equidigital number, since it uses as much as digits as its factorization.

143530601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 143530601 is about 11980.4257436871. The cubic root of 143530601 is about 523.5781341717.

Adding to 143530601 its reverse (106035341), we get a palindrome (249565942).

The spelling of 143530601 in words is "one hundred forty-three million, five hundred thirty thousand, six hundred one".