143302241 has 2 divisors, whose sum is σ = 143302242. Its totient is φ = 143302240.

The previous prime is 143302217. The next prime is 143302261. The reversal of 143302241 is 142203341.

It is an a-pointer prime, because the next prime (143302261) can be obtained adding 143302241 to its sum of digits (20).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 124992400 + 18309841 = 11180^2 + 4279^2 .

It is a cyclic number.

It is not a de Polignac number, because 143302241 - 2⁶ = 143302177 is a prime.

It is not a weakly prime, because it can be changed into another prime (143302261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71651120 + 71651121.

It is an arithmetic number, because the mean of its divisors is an integer number (71651121).

Almost surely, 2^143302241 is an apocalyptic number.

It is an amenable number.

143302241 is a deficient number, since it is larger than the sum of its proper divisors (1).

143302241 is an equidigital number, since it uses as much as digits as its factorization.

143302241 is an evil number, because the sum of its binary digits is even.

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

The square root of 143302241 is about 11970.8914037343. The cubic root of 143302241 is about 523.3003124210.

Adding to 143302241 its reverse (142203341), we get a palindrome (285505582).

The spelling of 143302241 in words is "one hundred forty-three million, three hundred two thousand, two hundred forty-one".