1142823441 has 8 divisors (see below), whose sum is σ = 1524795264. Its totient is φ = 761366960.

The previous prime is 1142823397. The next prime is 1142823443. The reversal of 1142823441 is 1443282411.

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

It is a cyclic number.

It is not a de Polignac number, because 1142823441 - 2⁹ = 1142822929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1142823399 and 1142823408.

It is not an unprimeable number, because it can be changed into a prime (1142823443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123630 + ... + 132551.

It is an arithmetic number, because the mean of its divisors is an integer number (190599408).

Almost surely, 2^1142823441 is an apocalyptic number.

It is an amenable number.

1142823441 is a deficient number, since it is larger than the sum of its proper divisors (381971823).

1142823441 is a wasteful number, since it uses less digits than its factorization.

1142823441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257671.

The product of its digits is 6144, while the sum is 30.

The square root of 1142823441 is about 33805.6717282766. The cubic root of 1142823441 is about 1045.5056399319.

The spelling of 1142823441 in words is "one billion, one hundred forty-two million, eight hundred twenty-three thousand, four hundred forty-one".