143708987 has 2 divisors, whose sum is σ = 143708988. Its totient is φ = 143708986.

The previous prime is 143708969. The next prime is 143709017. The reversal of 143708987 is 789807341.

It is a weak prime.

It is an emirp because it is prime and its reverse (789807341) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 143708987 - 2¹⁸ = 143446843 is a prime.

It is a super-3 number, since 3×143708987³ (a number of 25 digits) contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (143708087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71854493 + 71854494.

It is an arithmetic number, because the mean of its divisors is an integer number (71854494).

Almost surely, 2^143708987 is an apocalyptic number.

143708987 is a deficient number, since it is larger than the sum of its proper divisors (1).

143708987 is an equidigital number, since it uses as much as digits as its factorization.

143708987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 338688, while the sum is 47.

The square root of 143708987 is about 11987.8683259369. The cubic root of 143708987 is about 523.7949528424.

The spelling of 143708987 in words is "one hundred forty-three million, seven hundred eight thousand, nine hundred eighty-seven".