143133401 has 2 divisors, whose sum is σ = 143133402. Its totient is φ = 143133400.

The previous prime is 143133383. The next prime is 143133407. The reversal of 143133401 is 104331341.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 132250000 + 10883401 = 11500^2 + 3299^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143133401 is a prime.

It is not a weakly prime, because it can be changed into another prime (143133407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71566700 + 71566701.

It is an arithmetic number, because the mean of its divisors is an integer number (71566701).

Almost surely, 2^143133401 is an apocalyptic number.

It is an amenable number.

143133401 is a deficient number, since it is larger than the sum of its proper divisors (1).

143133401 is an equidigital number, since it uses as much as digits as its factorization.

143133401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 143133401 is about 11963.8372188859. The cubic root of 143133401 is about 523.0947125953.

Adding to 143133401 its reverse (104331341), we get a palindrome (247464742).

The spelling of 143133401 in words is "one hundred forty-three million, one hundred thirty-three thousand, four hundred one".