545115 has 8 divisors (see below), whose sum is σ = 872208. Its totient is φ = 290720.

The previous prime is 545093. The next prime is 545117. The reversal of 545115 is 511545.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 545115 - 2¹³ = 536923 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 545091 and 545100.

It is not an unprimeable number, because it can be changed into a prime (545117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18156 + ... + 18185.

It is an arithmetic number, because the mean of its divisors is an integer number (109026).

2⁵⁴⁵¹¹⁵ is an apocalyptic number.

545115 is a deficient number, since it is larger than the sum of its proper divisors (327093).

545115 is a wasteful number, since it uses less digits than its factorization.

545115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36349.

The product of its digits is 500, while the sum is 21.

The square root of 545115 is about 738.3190367314. The cubic root of 545115 is about 81.6888365929.

The spelling of 545115 in words is "five hundred forty-five thousand, one hundred fifteen".