1145044463 has 8 divisors (see below), whose sum is σ = 1172176896. Its totient is φ = 1117935000.

The previous prime is 1145044429. The next prime is 1145044487. The reversal of 1145044463 is 3644405411.

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 1145044463 - 2¹⁶ = 1144978927 is a prime.

It is a super-2 number, since 2×1145044463² = 2622253644493916738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145044763) 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, 135698 + ... + 143888.

It is an arithmetic number, because the mean of its divisors is an integer number (146522112).

Almost surely, 2^1145044463 is an apocalyptic number.

1145044463 is a deficient number, since it is larger than the sum of its proper divisors (27132433).

1145044463 is an equidigital number, since it uses as much as digits as its factorization.

1145044463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11485.

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 1145044463 is about 33838.5056259877. The cubic root of 1145044463 is about 1046.1824981632.

Adding to 1145044463 its reverse (3644405411), we get a palindrome (4789449874).

The spelling of 1145044463 in words is "one billion, one hundred forty-five million, forty-four thousand, four hundred sixty-three".