1143155514 has 32 divisors (see below), whose sum is σ = 2449984320. Its totient is φ = 354313472.

The previous prime is 1143155483. The next prime is 1143155527. The reversal of 1143155514 is 4155513411.

It is a Curzon 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 15 ways as a sum of consecutive naturals, for example, 59049 + ... + 75980.

It is an arithmetic number, because the mean of its divisors is an integer number (76562010).

Almost surely, 2^1143155514 is an apocalyptic number.

1143155514 is an abundant number, since it is smaller than the sum of its proper divisors (1306828806).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1143155514 is a wasteful number, since it uses less digits than its factorization.

1143155514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135134.

The product of its digits is 6000, while the sum is 30.

The square root of 1143155514 is about 33810.5828698649. The cubic root of 1143155514 is about 1045.6068951681.

Adding to 1143155514 its reverse (4155513411), we get a palindrome (5298668925).

The spelling of 1143155514 in words is "one billion, one hundred forty-three million, one hundred fifty-five thousand, five hundred fourteen".