143054449 has 2 divisors, whose sum is σ = 143054450. Its totient is φ = 143054448.

The previous prime is 143054393. The next prime is 143054539. The reversal of 143054449 is 944450341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 134096400 + 8958049 = 11580^2 + 2993^2 .

It is an emirp because it is prime and its reverse (944450341) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 143054449 - 2¹¹ = 143052401 is a prime.

It is not a weakly prime, because it can be changed into another prime (143054749) 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, 71527224 + 71527225.

It is an arithmetic number, because the mean of its divisors is an integer number (71527225).

Almost surely, 2^143054449 is an apocalyptic number.

It is an amenable number.

143054449 is a deficient number, since it is larger than the sum of its proper divisors (1).

143054449 is an equidigital number, since it uses as much as digits as its factorization.

143054449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 143054449 is about 11960.5371534894. The cubic root of 143054449 is about 522.9985156925.

The spelling of 143054449 in words is "one hundred forty-three million, fifty-four thousand, four hundred forty-nine".