1143440303434 has 64 divisors (see below), whose sum is σ = 2073857748480. Its totient is φ = 465950646720.

The previous prime is 1143440303431. The next prime is 1143440303441. The reversal of 1143440303434 is 4343030443411.

It is a self number, because there is not a number n which added to its sum of digits gives 1143440303434.

It is not an unprimeable number, because it can be changed into a prime (1143440303431) 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, 992329 + ... + 1808755.

It is an arithmetic number, because the mean of its divisors is an integer number (32404027320).

Almost surely, 2^{1143440303434} is an apocalyptic number.

1143440303434 is a deficient number, since it is larger than the sum of its proper divisors (930417445046).

1143440303434 is a wasteful number, since it uses less digits than its factorization.

1143440303434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816595.

The product of its (nonzero) digits is 82944, while the sum is 34.

Adding to 1143440303434 its reverse (4343030443411), we get a palindrome (5486470746845).

The spelling of 1143440303434 in words is "one trillion, one hundred forty-three billion, four hundred forty million, three hundred three thousand, four hundred thirty-four".