1144091106 has 24 divisors (see below), whose sum is σ = 2489159244. Its totient is φ = 379779840.

The previous prime is 1144091087. The next prime is 1144091107. The reversal of 1144091106 is 6011904411.

It can be written as a sum of positive squares in 2 ways, for example, as 1098325881 + 45765225 = 33141^2 + 6765^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1144091106.

It is not an unprimeable number, because it can be changed into a prime (1144091107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 127531 + ... + 136206.

Almost surely, 2^1144091106 is an apocalyptic number.

1144091106 is an abundant number, since it is smaller than the sum of its proper divisors (1345068138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1144091106 is a wasteful number, since it uses less digits than its factorization.

1144091106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263986 (or 263983 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 1144091106 is about 33824.4158264411. The cubic root of 1144091106 is about 1045.8920691671.

Adding to 1144091106 its reverse (6011904411), we get a palindrome (7155995517).

The spelling of 1144091106 in words is "one billion, one hundred forty-four million, ninety-one thousand, one hundred six".