4771145 has 4 divisors (see below), whose sum is σ = 5725380. Its totient is φ = 3816912.

The previous prime is 4771121. The next prime is 4771159. The reversal of 4771145 is 5411774.

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 2042041 + 2729104 = 1429^2 + 1652^2 .

It is a cyclic number.

It is not a de Polignac number, because 4771145 - 2¹⁶ = 4705609 is a prime.

It is a super-2 number, since 2×4771145² = 45527649222050, which contains 22 as substring.

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, 477110 + ... + 477119.

It is an arithmetic number, because the mean of its divisors is an integer number (1431345).

Almost surely, 2^4771145 is an apocalyptic number.

It is an amenable number.

4771145 is a deficient number, since it is larger than the sum of its proper divisors (954235).

4771145 is an equidigital number, since it uses as much as digits as its factorization.

4771145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 954234.

The product of its digits is 3920, while the sum is 29.

The square root of 4771145 is about 2184.2950807984. The cubic root of 4771145 is about 168.3478361085.

The spelling of 4771145 in words is "four million, seven hundred seventy-one thousand, one hundred forty-five".