143032664381 has 2 divisors, whose sum is σ = 143032664382. Its totient is φ = 143032664380.

The previous prime is 143032664371. The next prime is 143032664459. The reversal of 143032664381 is 183466230341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 142456424356 + 576240025 = 377434^2 + 24005^2 .

It is an emirp because it is prime and its reverse (183466230341) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 143032664381 - 2²⁶ = 142965555517 is a prime.

It is a super-2 number, since 2×143032664381² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143032664311) 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, 71516332190 + 71516332191.

It is an arithmetic number, because the mean of its divisors is an integer number (71516332191).

Almost surely, 2^143032664381 is an apocalyptic number.

It is an amenable number.

143032664381 is a deficient number, since it is larger than the sum of its proper divisors (1).

143032664381 is an equidigital number, since it uses as much as digits as its factorization.

143032664381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 248832, while the sum is 41.

The spelling of 143032664381 in words is "one hundred forty-three billion, thirty-two million, six hundred sixty-four thousand, three hundred eighty-one".