618145 has 8 divisors (see below), whose sum is σ = 809280. Its totient is φ = 449520.

The previous prime is 618131. The next prime is 618161. The reversal of 618145 is 541816.

618145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 618145 - 2¹⁷ = 487073 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5565 + ... + 5674.

It is an arithmetic number, because the mean of its divisors is an integer number (101160).

2⁶¹⁸¹⁴⁵ is an apocalyptic number.

It is an amenable number.

618145 is a deficient number, since it is larger than the sum of its proper divisors (191135).

618145 is a wasteful number, since it uses less digits than its factorization.

618145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11255.

The product of its digits is 960, while the sum is 25.

The square root of 618145 is about 786.2219788330. The cubic root of 618145 is about 85.1850639103.

It can be divided in two parts, 6181 and 45, that added together give a palindrome (6226).

The spelling of 618145 in words is "six hundred eighteen thousand, one hundred forty-five".