143204401 has 2 divisors, whose sum is σ = 143204402. Its totient is φ = 143204400.

The previous prime is 143204389. The next prime is 143204419. The reversal of 143204401 is 104402341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108993600 + 34210801 = 10440^2 + 5849^2 .

It is a cyclic number.

It is not a de Polignac number, because 143204401 - 2²⁷ = 8986673 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (143204461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71602200 + 71602201.

It is an arithmetic number, because the mean of its divisors is an integer number (71602201).

Almost surely, 2^143204401 is an apocalyptic number.

It is an amenable number.

143204401 is a deficient number, since it is larger than the sum of its proper divisors (1).

143204401 is an equidigital number, since it uses as much as digits as its factorization.

143204401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 143204401 is about 11966.8041264157. The cubic root of 143204401 is about 523.1811903964.

Adding to 143204401 its reverse (104402341), we get a palindrome (247606742).

It can be divided in two parts, 14320 and 4401, that added together give a triangular number (18721 = T₁₉₃).

The spelling of 143204401 in words is "one hundred forty-three million, two hundred four thousand, four hundred one".