117145575 has 24 divisors (see below), whose sum is σ = 215202000. Its totient is φ = 62477280.

The previous prime is 117145531. The next prime is 117145579. The reversal of 117145575 is 575541711.

It is a happy number.

117145575 is a `hidden beast` number, since 11 + 71 + 4 + 5 + 575 = 666.

It is not a de Polignac number, because 117145575 - 2¹¹ = 117143527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117145579) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 86100 + ... + 87449.

It is an arithmetic number, because the mean of its divisors is an integer number (8966750).

Almost surely, 2^117145575 is an apocalyptic number.

117145575 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

117145575 is a deficient number, since it is larger than the sum of its proper divisors (98056425).

117145575 is a wasteful number, since it uses less digits than its factorization.

117145575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173568 (or 173557 counting only the distinct ones).

The product of its digits is 24500, while the sum is 36.

The square root of 117145575 is about 10823.3809412771. The cubic root of 117145575 is about 489.3000905584.

The spelling of 117145575 in words is "one hundred seventeen million, one hundred forty-five thousand, five hundred seventy-five".