143032973 has 2 divisors, whose sum is σ = 143032974. Its totient is φ = 143032972.

The previous prime is 143032963. The next prime is 143033003. The reversal of 143032973 is 379230341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99960004 + 43072969 = 9998^2 + 6563^2 .

It is a cyclic number.

It is not a de Polignac number, because 143032973 - 2⁶ = 143032909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143032913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71516486 + 71516487.

It is an arithmetic number, because the mean of its divisors is an integer number (71516487).

Almost surely, 2^143032973 is an apocalyptic number.

It is an amenable number.

143032973 is a deficient number, since it is larger than the sum of its proper divisors (1).

143032973 is an equidigital number, since it uses as much as digits as its factorization.

143032973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 32.

The square root of 143032973 is about 11959.6393340268. The cubic root of 143032973 is about 522.9723427252.

The spelling of 143032973 in words is "one hundred forty-three million, thirty-two thousand, nine hundred seventy-three".