143540243144 has 32 divisors (see below), whose sum is σ = 277855011840. Its totient is φ = 69446160000.

The previous prime is 143540243123. The next prime is 143540243159. The reversal of 143540243144 is 441342045341.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2200097 + ... + 2264399.

It is an arithmetic number, because the mean of its divisors is an integer number (8682969120).

Almost surely, 2^143540243144 is an apocalyptic number.

It is an amenable number.

143540243144 is a deficient number, since it is larger than the sum of its proper divisors (134314768696).

143540243144 is a wasteful number, since it uses less digits than its factorization.

143540243144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73341 (or 73337 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 35.

Adding to 143540243144 its reverse (441342045341), we get a palindrome (584882288485).

The spelling of 143540243144 in words is "one hundred forty-three billion, five hundred forty million, two hundred forty-three thousand, one hundred forty-four".