1143054215 has 8 divisors (see below), whose sum is σ = 1373324640. Its totient is φ = 913336992.

The previous prime is 1143054203. The next prime is 1143054217. The reversal of 1143054215 is 5124503411.

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

It is a cyclic number.

It is not a de Polignac number, because 1143054215 - 2⁶ = 1143054151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143054217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133739 + ... + 142028.

It is an arithmetic number, because the mean of its divisors is an integer number (171665580).

Almost surely, 2^1143054215 is an apocalyptic number.

1143054215 is a deficient number, since it is larger than the sum of its proper divisors (230270425).

1143054215 is an equidigital number, since it uses as much as digits as its factorization.

1143054215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276601.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 1143054215 is about 33809.0847997990. The cubic root of 1143054215 is about 1045.5760092970.

Adding to 1143054215 its reverse (5124503411), we get a palindrome (6267557626).

The spelling of 1143054215 in words is "one billion, one hundred forty-three million, fifty-four thousand, two hundred fifteen".