1143034155 has 48 divisors (see below), whose sum is σ = 2050068384. Its totient is φ = 588695040.

The previous prime is 1143034141. The next prime is 1143034177. The reversal of 1143034155 is 5514303411.

It is a happy number.

It is not a de Polignac number, because 1143034155 - 2¹² = 1143030059 is a prime.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 225600 + ... + 230610.

It is an arithmetic number, because the mean of its divisors is an integer number (42709758).

Almost surely, 2^1143034155 is an apocalyptic number.

1143034155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1143034155 is a deficient number, since it is larger than the sum of its proper divisors (907034229).

1143034155 is a wasteful number, since it uses less digits than its factorization.

1143034155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5196 (or 5193 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 1143034155 is about 33808.7881326734. The cubic root of 1143034155 is about 1045.5698928249.

Adding to 1143034155 its reverse (5514303411), we get a palindrome (6657337566).

The spelling of 1143034155 in words is "one billion, one hundred forty-three million, thirty-four thousand, one hundred fifty-five".