1143553922 has 8 divisors (see below), whose sum is σ = 1960378176. Its totient is φ = 490094532.

The previous prime is 1143553921. The next prime is 1143553949. The reversal of 1143553922 is 2293553411.

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

It is not an unprimeable number, because it can be changed into a prime (1143553921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40841198 + ... + 40841225.

It is an arithmetic number, because the mean of its divisors is an integer number (245047272).

Almost surely, 2^1143553922 is an apocalyptic number.

1143553922 is a deficient number, since it is larger than the sum of its proper divisors (816824254).

1143553922 is an equidigital number, since it uses as much as digits as its factorization.

1143553922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81682432.

The product of its digits is 32400, while the sum is 35.

The square root of 1143553922 is about 33816.4741213510. The cubic root of 1143553922 is about 1045.7283513075.

The spelling of 1143553922 in words is "one billion, one hundred forty-three million, five hundred fifty-three thousand, nine hundred twenty-two".