1143032254 has 16 divisors (see below), whose sum is σ = 2110213728. Its totient is φ = 452188512.

The previous prime is 1143032239. The next prime is 1143032263. The reversal of 1143032254 is 4522303411.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3140017 + ... + 3140380.

It is an arithmetic number, because the mean of its divisors is an integer number (131888358).

Almost surely, 2^1143032254 is an apocalyptic number.

1143032254 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1143032254 is a deficient number, since it is larger than the sum of its proper divisors (967181474).

1143032254 is a wasteful number, since it uses less digits than its factorization.

1143032254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6280419.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 1143032254 is about 33808.7600186697. The cubic root of 1143032254 is about 1045.5693131894.

Adding to 1143032254 its reverse (4522303411), we get a palindrome (5665335665).

The spelling of 1143032254 in words is "one billion, one hundred forty-three million, thirty-two thousand, two hundred fifty-four".