1143436404442 has 8 divisors (see below), whose sum is σ = 1730332966356. Its totient is φ = 566658748992.

The previous prime is 1143436404403. The next prime is 1143436404443. The reversal of 1143436404442 is 2444046343411.

It can be written as a sum of positive squares in 2 ways, for example, as 1140327115321 + 3109289121 = 1067861^2 + 55761^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1143436404442² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1143436404395 and 1143436404404.

It is not an unprimeable number, because it can be changed into a prime (1143436404443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2529726333 + ... + 2529726784.

Almost surely, 2^{1143436404442} is an apocalyptic number.

1143436404442 is a deficient number, since it is larger than the sum of its proper divisors (586896561914).

1143436404442 is a wasteful number, since it uses less digits than its factorization.

1143436404442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5059453232.

The product of its (nonzero) digits is 442368, while the sum is 40.

The spelling of 1143436404442 in words is "one trillion, one hundred forty-three billion, four hundred thirty-six million, four hundred four thousand, four hundred forty-two".