115507745 has 16 divisors (see below), whose sum is σ = 146346240. Its totient is φ = 87277824.

The previous prime is 115507739. The next prime is 115507753. The reversal of 115507745 is 547705511.

It is a cyclic number.

It is not a de Polignac number, because 115507745 - 2⁴ = 115507729 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33209 + ... + 36521.

It is an arithmetic number, because the mean of its divisors is an integer number (9146640).

Almost surely, 2^115507745 is an apocalyptic number.

It is an amenable number.

115507745 is a deficient number, since it is larger than the sum of its proper divisors (30838495).

115507745 is a wasteful number, since it uses less digits than its factorization.

115507745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3704.

The product of its (nonzero) digits is 24500, while the sum is 35.

The square root of 115507745 is about 10747.4529540724. The cubic root of 115507745 is about 487.0090538536.

The spelling of 115507745 in words is "one hundred fifteen million, five hundred seven thousand, seven hundred forty-five".