143482961 has 2 divisors, whose sum is σ = 143482962. Its totient is φ = 143482960.

The previous prime is 143482943. The next prime is 143482967. The reversal of 143482961 is 169284341.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 138886225 + 4596736 = 11785^2 + 2144^2 .

It is an emirp because it is prime and its reverse (169284341) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 143482961 - 2²⁶ = 76374097 is a prime.

It is not a weakly prime, because it can be changed into another prime (143482967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71741480 + 71741481.

It is an arithmetic number, because the mean of its divisors is an integer number (71741481).

Almost surely, 2^143482961 is an apocalyptic number.

It is an amenable number.

143482961 is a deficient number, since it is larger than the sum of its proper divisors (1).

143482961 is an equidigital number, since it uses as much as digits as its factorization.

143482961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472, while the sum is 38.

The square root of 143482961 is about 11978.4373354791. The cubic root of 143482961 is about 523.5201999000.

The spelling of 143482961 in words is "one hundred forty-three million, four hundred eighty-two thousand, nine hundred sixty-one".