143049447 has 6 divisors (see below), whose sum is σ = 206626992. Its totient is φ = 95366292.

The previous prime is 143049377. The next prime is 143049449. The reversal of 143049447 is 744940341.

It is not a de Polignac number, because 143049447 - 2⁸ = 143049191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143049449) 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 in 5 ways as a sum of consecutive naturals, for example, 7947183 + ... + 7947200.

It is an arithmetic number, because the mean of its divisors is an integer number (34437832).

Almost surely, 2^143049447 is an apocalyptic number.

143049447 is a deficient number, since it is larger than the sum of its proper divisors (63577545).

143049447 is a wasteful number, since it uses less digits than its factorization.

143049447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15894389 (or 15894386 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 143049447 is about 11960.3280473405. The cubic root of 143049447 is about 522.9924199504.

Adding to 143049447 its reverse (744940341), we get a palindrome (887989788).

The spelling of 143049447 in words is "one hundred forty-three million, forty-nine thousand, four hundred forty-seven".