1144499854969 has 27 divisors (see below), whose sum is σ = 1189736525991. Its totient is φ = 1100965954560.

The previous prime is 1144499854919. The next prime is 1144499854973. The reversal of 1144499854969 is 9694589944411.

The square root of 1144499854969 is 1069813.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 13 ways, for example, as 1005678037225 + 138821817744 = 1002835^2 + 372588^2 .

It is not a de Polignac number, because 1144499854969 - 2²⁷ = 1144365637241 is a prime.

It is a super-2 number, since 2×1144499854969² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1144499854919) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 4254646167 + ... + 4254646435.

Almost surely, 2^{1144499854969} is an apocalyptic number.

1144499854969 is the 1069813-rd square number.

1144499854969 is the 534907-th centered octagonal number.

It is an amenable number.

1144499854969 is a deficient number, since it is larger than the sum of its proper divisors (45236671022).

1144499854969 is an frugal number, since it uses more digits than its factorization.

1144499854969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814 (or 407 counting only the distinct ones).

The product of its digits is 403107840, while the sum is 73.

The spelling of 1144499854969 in words is "one trillion, one hundred forty-four billion, four hundred ninety-nine million, eight hundred fifty-four thousand, nine hundred sixty-nine".