143715461 has 2 divisors, whose sum is σ = 143715462. Its totient is φ = 143715460.

The previous prime is 143715443. The next prime is 143715463. The reversal of 143715461 is 164517341.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110145025 + 33570436 = 10495^2 + 5794^2 .

It is a cyclic number.

It is not a de Polignac number, because 143715461 - 2²⁶ = 76606597 is a prime.

Together with 143715463, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143715463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71857730 + 71857731.

It is an arithmetic number, because the mean of its divisors is an integer number (71857731).

Almost surely, 2^143715461 is an apocalyptic number.

It is an amenable number.

143715461 is a deficient number, since it is larger than the sum of its proper divisors (1).

143715461 is an equidigital number, since it uses as much as digits as its factorization.

143715461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080, while the sum is 32.

The square root of 143715461 is about 11988.1383458817. The cubic root of 143715461 is about 523.8028182693.

The spelling of 143715461 in words is "one hundred forty-three million, seven hundred fifteen thousand, four hundred sixty-one".