115647545 has 12 divisors (see below), whose sum is σ = 150274476. Its totient is φ = 85400640.

The previous prime is 115647529. The next prime is 115647599. The reversal of 115647545 is 545746511.

It can be written as a sum of positive squares in 6 ways, for example, as 39137536 + 76510009 = 6256^2 + 8747^2 .

It is not a de Polignac number, because 115647545 - 2⁴ = 115647529 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 115647499 and 115647508.

It is an unprimeable number.

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, 67586 + ... + 69275.

It is an arithmetic number, because the mean of its divisors is an integer number (12522873).

Almost surely, 2^115647545 is an apocalyptic number.

It is an amenable number.

115647545 is a deficient number, since it is larger than the sum of its proper divisors (34626931).

115647545 is a wasteful number, since it uses less digits than its factorization.

115647545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136892 (or 136879 counting only the distinct ones).

The product of its digits is 84000, while the sum is 38.

The square root of 115647545 is about 10753.9548539130. The cubic root of 115647545 is about 487.2054516989.

The spelling of 115647545 in words is "one hundred fifteen million, six hundred forty-seven thousand, five hundred forty-five".