1144705677 has 4 divisors (see below), whose sum is σ = 1526274240. Its totient is φ = 763137116.

The previous prime is 1144705657. The next prime is 1144705697. The reversal of 1144705677 is 7765074411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (1144705657) and next prime (1144705697).

It is a cyclic number.

It is not a de Polignac number, because 1144705677 - 2¹⁵ = 1144672909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144705637) 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, 190784277 + ... + 190784282.

It is an arithmetic number, because the mean of its divisors is an integer number (381568560).

Almost surely, 2^1144705677 is an apocalyptic number.

It is an amenable number.

1144705677 is a deficient number, since it is larger than the sum of its proper divisors (381568563).

1144705677 is an equidigital number, since it uses as much as digits as its factorization.

1144705677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381568562.

The product of its (nonzero) digits is 164640, while the sum is 42.

The square root of 1144705677 is about 33833.4993312841. The cubic root of 1144705677 is about 1046.0793094643.

The spelling of 1144705677 in words is "one billion, one hundred forty-four million, seven hundred five thousand, six hundred seventy-seven".