143425133 has 2 divisors, whose sum is σ = 143425134. Its totient is φ = 143425132.

The previous prime is 143425123. The next prime is 143425157. The reversal of 143425133 is 331524341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 138815524 + 4609609 = 11782^2 + 2147^2 .

It is an emirp because it is prime and its reverse (331524341) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 143425133 - 2⁶ = 143425069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143425123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71712566 + 71712567.

It is an arithmetic number, because the mean of its divisors is an integer number (71712567).

Almost surely, 2^143425133 is an apocalyptic number.

It is an amenable number.

143425133 is a deficient number, since it is larger than the sum of its proper divisors (1).

143425133 is an equidigital number, since it uses as much as digits as its factorization.

143425133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 26.

The square root of 143425133 is about 11976.0232548204. The cubic root of 143425133 is about 523.4498589249.

Adding to 143425133 its reverse (331524341), we get a palindrome (474949474).

The spelling of 143425133 in words is "one hundred forty-three million, four hundred twenty-five thousand, one hundred thirty-three".