853145 has 8 divisors (see below), whose sum is σ = 1084104. Its totient is φ = 642304.

The previous prime is 853133. The next prime is 853159. The reversal of 853145 is 541358.

It can be written as a sum of positive squares in 4 ways, for example, as 120409 + 732736 = 347^2 + 856^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 853145 - 2⁸ = 852889 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

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, 4934 + ... + 5103.

It is an arithmetic number, because the mean of its divisors is an integer number (135513).

2⁸⁵³¹⁴⁵ is an apocalyptic number.

853145 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

853145 is a deficient number, since it is larger than the sum of its proper divisors (230959).

853145 is a wasteful number, since it uses less digits than its factorization.

853145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10059.

The product of its digits is 2400, while the sum is 26.

The square root of 853145 is about 923.6584866713. The cubic root of 853145 is about 94.8435096733.

The spelling of 853145 in words is "eight hundred fifty-three thousand, one hundred forty-five".