118175145 has 32 divisors (see below), whose sum is σ = 213390720. Its totient is φ = 55319040.

The previous prime is 118175119. The next prime is 118175149. The reversal of 118175145 is 541571811.

It is not a de Polignac number, because 118175145 - 2²¹ = 116077993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (118175149) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7564 + ... + 17133.

It is an arithmetic number, because the mean of its divisors is an integer number (6668460).

Almost surely, 2^118175145 is an apocalyptic number.

118175145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

118175145 is a deficient number, since it is larger than the sum of its proper divisors (95215575).

118175145 is a wasteful number, since it uses less digits than its factorization.

118175145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24745.

The product of its digits is 5600, while the sum is 33.

The square root of 118175145 is about 10870.8392040357. The cubic root of 118175145 is about 490.7293663866.

The spelling of 118175145 in words is "one hundred eighteen million, one hundred seventy-five thousand, one hundred forty-five".