115527545 has 64 divisors (see below), whose sum is σ = 174182400. Its totient is φ = 73382400.

The previous prime is 115527521. The next prime is 115527547. The reversal of 115527545 is 545725511.

It is not a de Polignac number, because 115527545 - 2⁸ = 115527289 is a prime.

It is a super-2 number, since 2×115527545² = 26693227307454050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is not an unprimeable number, because it can be changed into a prime (115527547) 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 63 ways as a sum of consecutive naturals, for example, 2179739 + ... + 2179791.

It is an arithmetic number, because the mean of its divisors is an integer number (2721600).

Almost surely, 2^115527545 is an apocalyptic number.

It is an amenable number.

115527545 is a deficient number, since it is larger than the sum of its proper divisors (58654855).

115527545 is an equidigital number, since it uses as much as digits as its factorization.

115527545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151 (or 137 counting only the distinct ones).

The product of its digits is 35000, while the sum is 35.

The square root of 115527545 is about 10748.3740630851. The cubic root of 115527545 is about 487.0368794866.

The spelling of 115527545 in words is "one hundred fifteen million, five hundred twenty-seven thousand, five hundred forty-five".