1143269463 has 16 divisors (see below), whose sum is σ = 1833816320. Its totient is φ = 618912576.

The previous prime is 1143269453. The next prime is 1143269483. The reversal of 1143269463 is 3649623411.

It is not a de Polignac number, because 1143269463 - 2¹² = 1143265367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143269443) by changing a digit.

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, 1432270 + ... + 1433067.

It is an arithmetic number, because the mean of its divisors is an integer number (114613520).

Almost surely, 2^1143269463 is an apocalyptic number.

1143269463 is a deficient number, since it is larger than the sum of its proper divisors (690546857).

1143269463 is a wasteful number, since it uses less digits than its factorization.

1143269463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2865366.

The product of its digits is 93312, while the sum is 39.

The square root of 1143269463 is about 33812.2679363571. The cubic root of 1143269463 is about 1045.6416358195.

The spelling of 1143269463 in words is "one billion, one hundred forty-three million, two hundred sixty-nine thousand, four hundred sixty-three".