1143747151 has 8 divisors (see below), whose sum is σ = 1211289984. Its totient is φ = 1077688920.

The previous prime is 1143747149. The next prime is 1143747179. The reversal of 1143747151 is 1517473411.

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

It is not a de Polignac number, because 1143747151 - 2¹ = 1143747149 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 (1143747191) 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, 369565 + ... + 372646.

It is an arithmetic number, because the mean of its divisors is an integer number (151411248).

Almost surely, 2^1143747151 is an apocalyptic number.

1143747151 is a deficient number, since it is larger than the sum of its proper divisors (67542833).

1143747151 is an equidigital number, since it uses as much as digits as its factorization.

1143747151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742301.

The product of its digits is 11760, while the sum is 34.

The square root of 1143747151 is about 33819.3310253175. The cubic root of 1143747151 is about 1045.7872477180.

The spelling of 1143747151 in words is "one billion, one hundred forty-three million, seven hundred forty-seven thousand, one hundred fifty-one".