143023140442 has 64 divisors (see below), whose sum is σ = 267356678400. Its totient is φ = 55872115200.

The previous prime is 143023140409. The next prime is 143023140443. The reversal of 143023140442 is 244041320341.

It is a self number, because there is not a number n which added to its sum of digits gives 143023140442.

It is not an unprimeable number, because it can be changed into a prime (143023140443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13422817 + ... + 13433467.

It is an arithmetic number, because the mean of its divisors is an integer number (4177448100).

Almost surely, 2^143023140442 is an apocalyptic number.

143023140442 is a deficient number, since it is larger than the sum of its proper divisors (124333537958).

143023140442 is a wasteful number, since it uses less digits than its factorization.

143023140442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11591.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 143023140442 its reverse (244041320341), we get a palindrome (387064460783).

The spelling of 143023140442 in words is "one hundred forty-three billion, twenty-three million, one hundred forty thousand, four hundred forty-two".