5145856 has 18 divisors (see below), whose sum is σ = 10272122. Its totient is φ = 2572800.

The previous prime is 5145851. The next prime is 5145871. The reversal of 5145856 is 6585415.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 4064256 + 1081600 = 2016^2 + 1040^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5145851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9795 + ... + 10306.

Almost surely, 2^5145856 is an apocalyptic number.

It is an amenable number.

5145856 is a deficient number, since it is larger than the sum of its proper divisors (5126266).

5145856 is an equidigital number, since it uses as much as digits as its factorization.

5145856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20117 (or 20103 counting only the distinct ones).

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

The square root of 5145856 is about 2268.4479275487. The cubic root of 5145856 is about 172.6444187200.

The spelling of 5145856 in words is "five million, one hundred forty-five thousand, eight hundred fifty-six".