1152540045 has 24 divisors (see below), whose sum is σ = 2012119200. Its totient is φ = 610262496.

The previous prime is 1152540023. The next prime is 1152540061. The reversal of 1152540045 is 5400452511.

1152540045 is a `hidden beast` number, since 115 + 2 + 540 + 0 + 4 + 5 = 666.

It is not a de Polignac number, because 1152540045 - 2⁹ = 1152539533 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 85875 + ... + 98384.

It is an arithmetic number, because the mean of its divisors is an integer number (83838300).

Almost surely, 2^1152540045 is an apocalyptic number.

1152540045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1152540045 is a deficient number, since it is larger than the sum of its proper divisors (859579155).

1152540045 is a wasteful number, since it uses less digits than its factorization.

1152540045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184409 (or 184406 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 1152540045 is about 33949.0801789975. The cubic root of 1152540045 is about 1048.4603420796.

Adding to 1152540045 its reverse (5400452511), we get a palindrome (6552992556).

The spelling of 1152540045 in words is "one billion, one hundred fifty-two million, five hundred forty thousand, forty-five".