1153312245 has 24 divisors (see below), whose sum is σ = 2045568096. Its totient is φ = 600794208.

The previous prime is 1153312243. The next prime is 1153312267. The reversal of 1153312245 is 5422133511.

1153312245 is a `hidden beast` number, since 1 + 1 + 533 + 122 + 4 + 5 = 666.

It is not a de Polignac number, because 1153312245 - 2¹ = 1153312243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1153312243) 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 23 ways as a sum of consecutive naturals, for example, 296079 + ... + 299948.

It is an arithmetic number, because the mean of its divisors is an integer number (85232004).

Almost surely, 2^1153312245 is an apocalyptic number.

1153312245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1153312245 is a deficient number, since it is larger than the sum of its proper divisors (892255851).

1153312245 is a wasteful number, since it uses less digits than its factorization.

1153312245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596081 (or 596078 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 1153312245 is about 33960.4511895823. The cubic root of 1153312245 is about 1048.6944453925.

Adding to 1153312245 its reverse (5422133511), we get a palindrome (6575445756).

The spelling of 1153312245 in words is "one billion, one hundred fifty-three million, three hundred twelve thousand, two hundred forty-five".