143481599 has 2 divisors, whose sum is σ = 143481600. Its totient is φ = 143481598.

The previous prime is 143481571. The next prime is 143481619. The reversal of 143481599 is 995184341.

It is a strong prime.

It is an emirp because it is prime and its reverse (995184341) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143481599 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143480599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71740799 + 71740800.

It is an arithmetic number, because the mean of its divisors is an integer number (71740800).

Almost surely, 2^143481599 is an apocalyptic number.

143481599 is a deficient number, since it is larger than the sum of its proper divisors (1).

143481599 is an equidigital number, since it uses as much as digits as its factorization.

143481599 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 155520, while the sum is 44.

The square root of 143481599 is about 11978.3804831872. The cubic root of 143481599 is about 523.5185434042.

The spelling of 143481599 in words is "one hundred forty-three million, four hundred eighty-one thousand, five hundred ninety-nine".