1143316054 has 4 divisors (see below), whose sum is σ = 1714974084. Its totient is φ = 571658026.

The previous prime is 1143316049. The next prime is 1143316081. The reversal of 1143316054 is 4506133411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4506133411 = 13 ⋅346625647.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 285829012 + ... + 285829015.

It is an arithmetic number, because the mean of its divisors is an integer number (428743521).

Almost surely, 2^1143316054 is an apocalyptic number.

1143316054 is a deficient number, since it is larger than the sum of its proper divisors (571658030).

1143316054 is an equidigital number, since it uses as much as digits as its factorization.

1143316054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571658029.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 1143316054 is about 33812.9568952495. The cubic root of 1143316054 is about 1045.6558397697.

Adding to 1143316054 its reverse (4506133411), we get a palindrome (5649449465).

The spelling of 1143316054 in words is "one billion, one hundred forty-three million, three hundred sixteen thousand, fifty-four".