1143040234 has 32 divisors (see below), whose sum is σ = 2008221696. Its totient is φ = 477837360.

The previous prime is 1143040231. The next prime is 1143040267. The reversal of 1143040234 is 4320403411.

It is not an unprimeable number, because it can be changed into a prime (1143040231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90699 + ... + 102529.

It is an arithmetic number, because the mean of its divisors is an integer number (62756928).

Almost surely, 2^1143040234 is an apocalyptic number.

1143040234 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1143040234 is a deficient number, since it is larger than the sum of its proper divisors (865181462).

1143040234 is a wasteful number, since it uses less digits than its factorization.

1143040234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12010.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1143040234 is about 33808.8780352144. The cubic root of 1143040234 is about 1045.5717463735.

Adding to 1143040234 its reverse (4320403411), we get a palindrome (5463443645).

The spelling of 1143040234 in words is "one billion, one hundred forty-three million, forty thousand, two hundred thirty-four".