143143573 has 2 divisors, whose sum is σ = 143143574. Its totient is φ = 143143572.

The previous prime is 143143547. The next prime is 143143601. The reversal of 143143573 is 375341341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101243844 + 41899729 = 10062^2 + 6473^2 .

It is a cyclic number.

It is not a de Polignac number, because 143143573 - 2²¹ = 141046421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143143073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71571786 + 71571787.

It is an arithmetic number, because the mean of its divisors is an integer number (71571787).

Almost surely, 2^143143573 is an apocalyptic number.

It is an amenable number.

143143573 is a deficient number, since it is larger than the sum of its proper divisors (1).

143143573 is an equidigital number, since it uses as much as digits as its factorization.

143143573 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15120, while the sum is 31.

The square root of 143143573 is about 11964.2623257767. The cubic root of 143143573 is about 523.1071038177.

The spelling of 143143573 in words is "one hundred forty-three million, one hundred forty-three thousand, five hundred seventy-three".