143641443 has 16 divisors (see below), whose sum is σ = 211798656. Its totient is φ = 85861440.

The previous prime is 143641441. The next prime is 143641481. The reversal of 143641443 is 344146341.

It is not a de Polignac number, because 143641443 - 2¹ = 143641441 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 143641443.

It is not an unprimeable number, because it can be changed into a prime (143641441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27405 + ... + 32222.

It is an arithmetic number, because the mean of its divisors is an integer number (13237416).

Almost surely, 2^143641443 is an apocalyptic number.

143641443 is a deficient number, since it is larger than the sum of its proper divisors (68157213).

143641443 is a wasteful number, since it uses less digits than its factorization.

143641443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59714.

The product of its digits is 13824, while the sum is 30.

The square root of 143641443 is about 11985.0508134092. The cubic root of 143641443 is about 523.7128778302.

Adding to 143641443 its reverse (344146341), we get a palindrome (487787784).

The spelling of 143641443 in words is "one hundred forty-three million, six hundred forty-one thousand, four hundred forty-three".