1144534769 has 16 divisors (see below), whose sum is σ = 1317964800. Its totient is φ = 973613520.

The previous prime is 1144534753. The next prime is 1144534777. The reversal of 1144534769 is 9674354411.

It is a cyclic number.

It is not a de Polignac number, because 1144534769 - 2⁴ = 1144534753 is a prime.

It is a super-2 number, since 2×1144534769² = 2619919674899766722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1144534739) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 727754 + ... + 729324.

It is an arithmetic number, because the mean of its divisors is an integer number (82372800).

Almost surely, 2^1144534769 is an apocalyptic number.

It is an amenable number.

1144534769 is a deficient number, since it is larger than the sum of its proper divisors (173430031).

1144534769 is a wasteful number, since it uses less digits than its factorization.

1144534769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2300.

The product of its digits is 362880, while the sum is 44.

The square root of 1144534769 is about 33830.9735154045. The cubic root of 1144534769 is about 1046.0272459442.

The spelling of 1144534769 in words is "one billion, one hundred forty-four million, five hundred thirty-four thousand, seven hundred sixty-nine".