1143755373 has 8 divisors (see below), whose sum is σ = 1525249600. Its totient is φ = 762382368.

The previous prime is 1143755357. The next prime is 1143755381. The reversal of 1143755373 is 3735573411.

It is a happy number.

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

It is not a de Polignac number, because 1143755373 - 2⁴ = 1143755357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143755303) 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 7 ways as a sum of consecutive naturals, for example, 5353 + ... + 48126.

It is an arithmetic number, because the mean of its divisors is an integer number (190656200).

Almost surely, 2^1143755373 is an apocalyptic number.

It is an amenable number.

1143755373 is a deficient number, since it is larger than the sum of its proper divisors (381494227).

1143755373 is an equidigital number, since it uses as much as digits as its factorization.

1143755373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60611.

The product of its digits is 132300, while the sum is 39.

The square root of 1143755373 is about 33819.4525827962. The cubic root of 1143755373 is about 1045.7897536454.

The spelling of 1143755373 in words is "one billion, one hundred forty-three million, seven hundred fifty-five thousand, three hundred seventy-three".