1471145 has 12 divisors (see below), whose sum is σ = 1912716. Its totient is φ = 1085760.

The previous prime is 1471133. The next prime is 1471177. The reversal of 1471145 is 5411741.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 811801 + 659344 = 901^2 + 812^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1471145 is a prime.

It is a super-2 number, since 2×1471145² = 4328535222050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1471145.

It is a congruent 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 11 ways as a sum of consecutive naturals, for example, 26 + ... + 1715.

It is an arithmetic number, because the mean of its divisors is an integer number (159393).

2^1471145 is an apocalyptic number.

It is an amenable number.

1471145 is a deficient number, since it is larger than the sum of its proper divisors (441571).

1471145 is a wasteful number, since it uses less digits than its factorization.

1471145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1772 (or 1759 counting only the distinct ones).

The product of its digits is 560, while the sum is 23.

The square root of 1471145 is about 1212.9076634270. The cubic root of 1471145 is about 113.7326504151.

Adding to 1471145 its reverse (5411741), we get a palindrome (6882886).

The spelling of 1471145 in words is "one million, four hundred seventy-one thousand, one hundred forty-five".