143490197801 has 2 divisors, whose sum is σ = 143490197802. Its totient is φ = 143490197800.

The previous prime is 143490197777. The next prime is 143490197827. The reversal of 143490197801 is 108791094341.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 143225159401 + 265038400 = 378451^2 + 16280^2 .

It is a cyclic number.

It is not a de Polignac number, because 143490197801 - 2¹⁸ = 143489935657 is a prime.

It is not a weakly prime, because it can be changed into another prime (143490097801) 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, 71745098900 + 71745098901.

It is an arithmetic number, because the mean of its divisors is an integer number (71745098901).

Almost surely, 2^143490197801 is an apocalyptic number.

It is an amenable number.

143490197801 is a deficient number, since it is larger than the sum of its proper divisors (1).

143490197801 is an equidigital number, since it uses as much as digits as its factorization.

143490197801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 217728, while the sum is 47.

The spelling of 143490197801 in words is "one hundred forty-three billion, four hundred ninety million, one hundred ninety-seven thousand, eight hundred one".