1140432243 has 8 divisors (see below), whose sum is σ = 1520922000. Its totient is φ = 760115328.

The previous prime is 1140432239. The next prime is 1140432263. The reversal of 1140432243 is 3422340411.

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

It is not a de Polignac number, because 1140432243 - 2² = 1140432239 is a prime.

It is a super-2 number, since 2×1140432243² = 2601171401748022098, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1140432263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26938 + ... + 54831.

It is an arithmetic number, because the mean of its divisors is an integer number (190115250).

Almost surely, 2^1140432243 is an apocalyptic number.

1140432243 is a deficient number, since it is larger than the sum of its proper divisors (380489757).

1140432243 is an equidigital number, since it uses as much as digits as its factorization.

1140432243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86421.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 1140432243 is about 33770.2863920340. The cubic root of 1140432243 is about 1044.7759393861.

Adding to 1140432243 its reverse (3422340411), we get a palindrome (4562772654).

The spelling of 1140432243 in words is "one billion, one hundred forty million, four hundred thirty-two thousand, two hundred forty-three".