1144682977 has 4 divisors (see below), whose sum is σ = 1172602116. Its totient is φ = 1116763840.

The previous prime is 1144682969. The next prime is 1144682993. The reversal of 1144682977 is 7792864411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7792864411 = 76343 ⋅102077.

It can be written as a sum of positive squares in 2 ways, for example, as 336759201 + 807923776 = 18351^2 + 28424^2 .

It is a cyclic number.

It is not a de Polignac number, because 1144682977 - 2³ = 1144682969 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 1144682977.

It is not an unprimeable number, because it can be changed into a prime (1144682927) 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, 13959508 + ... + 13959589.

It is an arithmetic number, because the mean of its divisors is an integer number (293150529).

Almost surely, 2^1144682977 is an apocalyptic number.

It is an amenable number.

1144682977 is a deficient number, since it is larger than the sum of its proper divisors (27919139).

1144682977 is an equidigital number, since it uses as much as digits as its factorization.

1144682977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27919138.

The product of its digits is 677376, while the sum is 49.

The square root of 1144682977 is about 33833.1638632866. The cubic root of 1144682977 is about 1046.0723946862.

The spelling of 1144682977 in words is "one billion, one hundred forty-four million, six hundred eighty-two thousand, nine hundred seventy-seven".