143480873 has 2 divisors, whose sum is σ = 143480874. Its totient is φ = 143480872.

The previous prime is 143480863. The next prime is 143480921. The reversal of 143480873 is 378084341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 95981209 + 47499664 = 9797^2 + 6892^2 .

It is a cyclic number.

It is not a de Polignac number, because 143480873 - 2²⁴ = 126703657 is a prime.

It is not a weakly prime, because it can be changed into another prime (143480863) 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, 71740436 + 71740437.

It is an arithmetic number, because the mean of its divisors is an integer number (71740437).

Almost surely, 2^143480873 is an apocalyptic number.

It is an amenable number.

143480873 is a deficient number, since it is larger than the sum of its proper divisors (1).

143480873 is an equidigital number, since it uses as much as digits as its factorization.

143480873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 143480873 is about 11978.3501785513. The cubic root of 143480873 is about 523.5176604220.

The spelling of 143480873 in words is "one hundred forty-three million, four hundred eighty thousand, eight hundred seventy-three".