1143254798 has 8 divisors (see below), whose sum is σ = 1959865392. Its totient is φ = 489966336.

The previous prime is 1143254771. The next prime is 1143254807. The reversal of 1143254798 is 8974523411.

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

It is a congruent number.

It is an unprimeable number.

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, 40830515 + ... + 40830542.

It is an arithmetic number, because the mean of its divisors is an integer number (244983174).

Almost surely, 2^1143254798 is an apocalyptic number.

1143254798 is a deficient number, since it is larger than the sum of its proper divisors (816610594).

1143254798 is an equidigital number, since it uses as much as digits as its factorization.

1143254798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81661066.

The product of its digits is 241920, while the sum is 44.

The square root of 1143254798 is about 33812.0510765023. The cubic root of 1143254798 is about 1045.6371648991.

The spelling of 1143254798 in words is "one billion, one hundred forty-three million, two hundred fifty-four thousand, seven hundred ninety-eight".