1143264463 has 8 divisors (see below), whose sum is σ = 1249509456. Its totient is φ = 1037404800.

The previous prime is 1143264457. The next prime is 1143264487. The reversal of 1143264463 is 3644623411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1143264463 - 2¹⁷ = 1143133391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143264403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90106 + ... + 102007.

It is an arithmetic number, because the mean of its divisors is an integer number (156188682).

Almost surely, 2^1143264463 is an apocalyptic number.

1143264463 is a deficient number, since it is larger than the sum of its proper divisors (106244993).

1143264463 is a wasteful number, since it uses less digits than its factorization.

1143264463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192665.

The product of its digits is 41472, while the sum is 34.

The square root of 1143264463 is about 33812.1939986154. The cubic root of 1143264463 is about 1045.6401114731.

Adding to 1143264463 its reverse (3644623411), we get a palindrome (4787887874).

The spelling of 1143264463 in words is "one billion, one hundred forty-three million, two hundred sixty-four thousand, four hundred sixty-three".