143241641 has 2 divisors, whose sum is σ = 143241642. Its totient is φ = 143241640.

The previous prime is 143241613. The next prime is 143241647. The reversal of 143241641 is 146142341.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 127599616 + 15642025 = 11296^2 + 3955^2 .

It is a cyclic number.

It is not a de Polignac number, because 143241641 - 2¹⁸ = 142979497 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 143241641.

It is not a weakly prime, because it can be changed into another prime (143241647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71620820 + 71620821.

It is an arithmetic number, because the mean of its divisors is an integer number (71620821).

Almost surely, 2^143241641 is an apocalyptic number.

It is an amenable number.

143241641 is a deficient number, since it is larger than the sum of its proper divisors (1).

143241641 is an equidigital number, since it uses as much as digits as its factorization.

143241641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2304, while the sum is 26.

The square root of 143241641 is about 11968.3599962568. The cubic root of 143241641 is about 523.2265371846.

Adding to 143241641 its reverse (146142341), we get a palindrome (289383982).

The spelling of 143241641 in words is "one hundred forty-three million, two hundred forty-one thousand, six hundred forty-one".