115671745 has 16 divisors (see below), whose sum is σ = 159068160. Its totient is φ = 79101504.

The previous prime is 115671739. The next prime is 115671797. The reversal of 115671745 is 547176511.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 115671745 - 2³ = 115671737 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9091 + ... + 17719.

It is an arithmetic number, because the mean of its divisors is an integer number (9941760).

Almost surely, 2^115671745 is an apocalyptic number.

It is an amenable number.

115671745 is a deficient number, since it is larger than the sum of its proper divisors (43396415).

115671745 is an equidigital number, since it uses as much as digits as its factorization.

115671745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9024.

The product of its digits is 29400, while the sum is 37.

The square root of 115671745 is about 10755.0799625107. The cubic root of 115671745 is about 487.2394329639.

The spelling of 115671745 in words is "one hundred fifteen million, six hundred seventy-one thousand, seven hundred forty-five".