5156845 has 8 divisors (see below), whose sum is σ = 6201720. Its totient is φ = 4116480.

The previous prime is 5156839. The next prime is 5156849. The reversal of 5156845 is 5486515.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3031081 + 2125764 = 1741^2 + 1458^2 .

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

It is not a de Polignac number, because 5156845 - 2⁵ = 5156813 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5156845.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5156849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2401 + ... + 4009.

It is an arithmetic number, because the mean of its divisors is an integer number (775215).

Almost surely, 2^5156845 is an apocalyptic number.

It is an amenable number.

5156845 is a deficient number, since it is larger than the sum of its proper divisors (1044875).

5156845 is a wasteful number, since it uses less digits than its factorization.

5156845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2255.

The product of its digits is 24000, while the sum is 34.

The square root of 5156845 is about 2270.8687764818. The cubic root of 5156845 is about 172.7672256694.

The spelling of 5156845 in words is "five million, one hundred fifty-six thousand, eight hundred forty-five".