2018145 has 16 divisors (see below), whose sum is σ = 3269952. Its totient is φ = 1062720.

The previous prime is 2018117. The next prime is 2018153. The reversal of 2018145 is 5418102.

It is not a de Polignac number, because 2018145 - 2⁵ = 2018113 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 435 + ... + 2055.

It is an arithmetic number, because the mean of its divisors is an integer number (204372).

2^2018145 is an apocalyptic number.

It is an amenable number.

2018145 is a deficient number, since it is larger than the sum of its proper divisors (1251807).

2018145 is a wasteful number, since it uses less digits than its factorization.

2018145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1712.

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 2018145 is about 1420.6143037433. The cubic root of 2018145 is about 126.3719796151.

It can be divided in two parts, 201 and 8145, that multiplied together give a triangular number (1637145 = T₁₈₀₉).

The spelling of 2018145 in words is "two million, eighteen thousand, one hundred forty-five".