4791145 has 8 divisors (see below), whose sum is σ = 5765256. Its totient is φ = 3822336.

The previous prime is 4791109. The next prime is 4791181. The reversal of 4791145 is 5411974.

It is an interprime number because it is at equal distance from previous prime (4791109) and next prime (4791181).

It can be written as a sum of positive squares in 4 ways, for example, as 906304 + 3884841 = 952^2 + 1971^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4791145 is a prime.

It is a super-2 number, since 2×4791145² = 45910140822050, which contains 22 as substring.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 1059 + ... + 3271.

It is an arithmetic number, because the mean of its divisors is an integer number (720657).

Almost surely, 2^4791145 is an apocalyptic number.

It is an amenable number.

4791145 is a deficient number, since it is larger than the sum of its proper divisors (974111).

4791145 is a wasteful number, since it uses less digits than its factorization.

4791145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2651.

The product of its digits is 5040, while the sum is 31.

The square root of 4791145 is about 2188.8684291204. The cubic root of 4791145 is about 168.5827387043.

The spelling of 4791145 in words is "four million, seven hundred ninety-one thousand, one hundred forty-five".