1153112445 has 12 divisors (see below), whose sum is σ = 1998728316. Its totient is φ = 614993280.

The previous prime is 1153112407. The next prime is 1153112449. The reversal of 1153112445 is 5442113511.

1153112445 is a `hidden beast` number, since 1 + 1 + 531 + 124 + 4 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 421193529 + 731918916 = 20523^2 + 27054^2 .

It is not a de Polignac number, because 1153112445 - 2⁸ = 1153112189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1153112449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12812316 + ... + 12812405.

It is an arithmetic number, because the mean of its divisors is an integer number (166560693).

Almost surely, 2^1153112445 is an apocalyptic number.

1153112445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1153112445 is a deficient number, since it is larger than the sum of its proper divisors (845615871).

1153112445 is a wasteful number, since it uses less digits than its factorization.

1153112445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25624732 (or 25624729 counting only the distinct ones).

The product of its digits is 2400, while the sum is 27.

The square root of 1153112445 is about 33957.5094051375. The cubic root of 1153112445 is about 1048.6338832300.

Adding to 1153112445 its reverse (5442113511), we get a palindrome (6595225956).

The spelling of 1153112445 in words is "one billion, one hundred fifty-three million, one hundred twelve thousand, four hundred forty-five".