471145 has 4 divisors (see below), whose sum is σ = 565380. Its totient is φ = 376912.

The previous prime is 471139. The next prime is 471161. The reversal of 471145 is 541174.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 541174 = 2 ⋅270587.

It can be written as a sum of positive squares in 2 ways, for example, as 301401 + 169744 = 549^2 + 412^2 .

It is a cyclic number.

It is not a de Polignac number, because 471145 - 2³ = 471137 is a prime.

It is a super-2 number, since 2×471145² = 443955222050, which contains 22 as substring.

471145 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47110 + ... + 47119.

It is an arithmetic number, because the mean of its divisors is an integer number (141345).

2⁴⁷¹¹⁴⁵ is an apocalyptic number.

It is an amenable number.

471145 is a deficient number, since it is larger than the sum of its proper divisors (94235).

471145 is an equidigital number, since it uses as much as digits as its factorization.

471145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94234.

The product of its digits is 560, while the sum is 22.

The square root of 471145 is about 686.4000291375. The cubic root of 471145 is about 77.8128870214.

It can be divided in two parts, 471 and 145, that added together give a palindrome (616).

The spelling of 471145 in words is "four hundred seventy-one thousand, one hundred forty-five".