143641648 has 10 divisors (see below), whose sum is σ = 278305724. Its totient is φ = 71820816.

The previous prime is 143641643. The next prime is 143641649. The reversal of 143641648 is 846146341.

It is not an unprimeable number, because it can be changed into a prime (143641643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4488786 + ... + 4488817.

Almost surely, 2^143641648 is an apocalyptic number.

It is an amenable number.

143641648 is a deficient number, since it is larger than the sum of its proper divisors (134664076).

143641648 is an equidigital number, since it uses as much as digits as its factorization.

143641648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8977611 (or 8977605 counting only the distinct ones).

The product of its digits is 55296, while the sum is 37.

The square root of 143641648 is about 11985.0593657270. The cubic root of 143641648 is about 523.7131269716.

Adding to 143641648 its reverse (846146341), we get a palindrome (989787989).

The spelling of 143641648 in words is "one hundred forty-three million, six hundred forty-one thousand, six hundred forty-eight".