1144812467 has 4 divisors (see below), whose sum is σ = 1145219400. Its totient is φ = 1144405536.

The previous prime is 1144812457. The next prime is 1144812481. The reversal of 1144812467 is 7642184411.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1144812467 - 2¹⁰ = 1144811443 is a prime.

It is a super-3 number, since 3×1144812467³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1144812467.

It is not an unprimeable number, because it can be changed into a prime (1144812457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 199217 + ... + 204882.

It is an arithmetic number, because the mean of its divisors is an integer number (286304850).

Almost surely, 2^1144812467 is an apocalyptic number.

1144812467 is a deficient number, since it is larger than the sum of its proper divisors (406933).

1144812467 is an equidigital number, since it uses as much as digits as its factorization.

1144812467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406932.

The product of its digits is 43008, while the sum is 38.

The square root of 1144812467 is about 33835.0774640757. The cubic root of 1144812467 is about 1046.1118381565. Note that the first 3 decimals are identical.

Adding to 1144812467 its reverse (7642184411), we get a palindrome (8786996878).

The spelling of 1144812467 in words is "one billion, one hundred forty-four million, eight hundred twelve thousand, four hundred sixty-seven".