1143938255 has 8 divisors (see below), whose sum is σ = 1372937472. Its totient is φ = 915009568.

The previous prime is 1143938233. The next prime is 1143938261. The reversal of 1143938255 is 5528393411.

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 1143938255 - 2⁸ = 1143937999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29522 + ... + 56208.

It is an arithmetic number, because the mean of its divisors is an integer number (171617184).

Almost surely, 2^1143938255 is an apocalyptic number.

1143938255 is a deficient number, since it is larger than the sum of its proper divisors (228999217).

1143938255 is an equidigital number, since it uses as much as digits as its factorization.

1143938255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35265.

The product of its digits is 129600, while the sum is 41.

The square root of 1143938255 is about 33822.1562736618. The cubic root of 1143938255 is about 1045.8454899021.

It can be divided in two parts, 11439 and 38255, that added together give a palindrome (49694).

The spelling of 1143938255 in words is "one billion, one hundred forty-three million, nine hundred thirty-eight thousand, two hundred fifty-five".