1143054515 has 8 divisors (see below), whose sum is σ = 1377817728. Its totient is φ = 910342080.

The previous prime is 1143054511. The next prime is 1143054527. The reversal of 1143054515 is 5154503411.

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

It is not a de Polignac number, because 1143054515 - 2² = 1143054511 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1143054511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 511466 + ... + 513695.

It is an arithmetic number, because the mean of its divisors is an integer number (172227216).

Almost surely, 2^1143054515 is an apocalyptic number.

1143054515 is a deficient number, since it is larger than the sum of its proper divisors (234763213).

1143054515 is a wasteful number, since it uses less digits than its factorization.

1143054515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1025389.

The product of its (nonzero) digits is 6000, while the sum is 29.

The square root of 1143054515 is about 33809.0892364760. The cubic root of 1143054515 is about 1045.5761007691.

Adding to 1143054515 its reverse (5154503411), we get a palindrome (6297557926).

Subtracting 1143054515 from its reverse (5154503411), we obtain a square (4011448896 = 63336²).

The spelling of 1143054515 in words is "one billion, one hundred forty-three million, fifty-four thousand, five hundred fifteen".