143973047 has 2 divisors, whose sum is σ = 143973048. Its totient is φ = 143973046.

The previous prime is 143973043. The next prime is 143973059. The reversal of 143973047 is 740379341.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 143973047 - 2² = 143973043 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 143973047.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143973043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71986523 + 71986524.

It is an arithmetic number, because the mean of its divisors is an integer number (71986524).

Almost surely, 2^143973047 is an apocalyptic number.

143973047 is a deficient number, since it is larger than the sum of its proper divisors (1).

143973047 is an equidigital number, since it uses as much as digits as its factorization.

143973047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63504, while the sum is 38.

The square root of 143973047 is about 11998.8769057775. The cubic root of 143973047 is about 524.1155745592.

The spelling of 143973047 in words is "one hundred forty-three million, nine hundred seventy-three thousand, forty-seven".