143680633 has 2 divisors, whose sum is σ = 143680634. Its totient is φ = 143680632.

The previous prime is 143680631. The next prime is 143680637. The reversal of 143680633 is 336086341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 130233744 + 13446889 = 11412^2 + 3667^2 .

It is a cyclic number.

It is not a de Polignac number, because 143680633 - 2¹ = 143680631 is a prime.

Together with 143680631, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (143680631) 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, 71840316 + 71840317.

It is an arithmetic number, because the mean of its divisors is an integer number (71840317).

Almost surely, 2^143680633 is an apocalyptic number.

It is an amenable number.

143680633 is a deficient number, since it is larger than the sum of its proper divisors (1).

143680633 is an equidigital number, since it uses as much as digits as its factorization.

143680633 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 143680633 is about 11986.6856553428. The cubic root of 143680633 is about 523.7605020650.

The spelling of 143680633 in words is "one hundred forty-three million, six hundred eighty thousand, six hundred thirty-three".