141443989 has 2 divisors, whose sum is σ = 141443990. Its totient is φ = 141443988.

The previous prime is 141443987. The next prime is 141443993. The reversal of 141443989 is 989344141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96687889 + 44756100 = 9833^2 + 6690^2 .

It is a cyclic number.

It is not a de Polignac number, because 141443989 - 2¹ = 141443987 is a prime.

Together with 141443987, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (141443983) 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, 70721994 + 70721995.

It is an arithmetic number, because the mean of its divisors is an integer number (70721995).

Almost surely, 2^141443989 is an apocalyptic number.

It is an amenable number.

141443989 is a deficient number, since it is larger than the sum of its proper divisors (1).

141443989 is an equidigital number, since it uses as much as digits as its factorization.

141443989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 124416, while the sum is 43.

The square root of 141443989 is about 11893.0227024083. The cubic root of 141443989 is about 521.0285227464.

The spelling of 141443989 in words is "one hundred forty-one million, four hundred forty-three thousand, nine hundred eighty-nine".