1144455677 has 2 divisors, whose sum is σ = 1144455678. Its totient is φ = 1144455676.

The previous prime is 1144455661. The next prime is 1144455721. The reversal of 1144455677 is 7765544411.

It is an a-pointer prime, because the next prime (1144455721) can be obtained adding 1144455677 to its sum of digits (44).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1056640036 + 87815641 = 32506^2 + 9371^2 .

It is an emirp because it is prime and its reverse (7765544411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1144455677 - 2⁴ = 1144455661 is a prime.

It is a plaindrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1144455607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572227838 + 572227839.

It is an arithmetic number, because the mean of its divisors is an integer number (572227839).

Almost surely, 2^1144455677 is an apocalyptic number.

It is an amenable number.

1144455677 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144455677 is an equidigital number, since it uses as much as digits as its factorization.

1144455677 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 470400, while the sum is 44.

The square root of 1144455677 is about 33829.8045663879. The cubic root of 1144455677 is about 1046.0031504791.

The spelling of 1144455677 in words is "one billion, one hundred forty-four million, four hundred fifty-five thousand, six hundred seventy-seven".