606145 has 4 divisors (see below), whose sum is σ = 727380. Its totient is φ = 484912.

The previous prime is 606131. The next prime is 606173. The reversal of 606145 is 541606.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 266256 + 339889 = 516^2 + 583^2 .

It is a cyclic number.

It is not a de Polignac number, because 606145 - 2⁵ = 606113 is a prime.

It is a super-2 number, since 2×606145² = 734823522050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60610 + ... + 60619.

It is an arithmetic number, because the mean of its divisors is an integer number (181845).

2⁶⁰⁶¹⁴⁵ is an apocalyptic number.

It is an amenable number.

606145 is a deficient number, since it is larger than the sum of its proper divisors (121235).

606145 is a wasteful number, since it uses less digits than its factorization.

606145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121234.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 606145 is about 778.5531452637. The cubic root of 606145 is about 84.6302276356.

The spelling of 606145 in words is "six hundred six thousand, one hundred forty-five".