1117283445 has 12 divisors (see below), whose sum is σ = 1936624716. Its totient is φ = 595884480.

The previous prime is 1117283441. The next prime is 1117283459. The reversal of 1117283445 is 5443827111.

It can be written as a sum of positive squares in 2 ways, for example, as 359822961 + 757460484 = 18969^2 + 27522^2 .

It is not a de Polignac number, because 1117283445 - 2² = 1117283441 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1117283441) 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, 12414216 + ... + 12414305.

It is an arithmetic number, because the mean of its divisors is an integer number (161385393).

Almost surely, 2^1117283445 is an apocalyptic number.

1117283445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1117283445 is a deficient number, since it is larger than the sum of its proper divisors (819341271).

1117283445 is a wasteful number, since it uses less digits than its factorization.

1117283445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24828532 (or 24828529 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 1117283445 is about 33425.7901178117. The cubic root of 1117283445 is about 1037.6585158678.

The spelling of 1117283445 in words is "one billion, one hundred seventeen million, two hundred eighty-three thousand, four hundred forty-five".