5228145 has 48 divisors (see below), whose sum is σ = 10151232. Its totient is φ = 2566080.

The previous prime is 5228143. The next prime is 5228147. The reversal of 5228145 is 5418225.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (5228143) and next prime (5228147).

It is not a de Polignac number, because 5228145 - 2¹ = 5228143 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (5228143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15630 + ... + 15960.

It is an arithmetic number, because the mean of its divisors is an integer number (211484).

Almost surely, 2^5228145 is an apocalyptic number.

It is an amenable number.

5228145 is a deficient number, since it is larger than the sum of its proper divisors (4923087).

5228145 is a wasteful number, since it uses less digits than its factorization.

5228145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364 (or 352 counting only the distinct ones).

The product of its digits is 3200, while the sum is 27.

The square root of 5228145 is about 2286.5137218044. The cubic root of 5228145 is about 173.5598267770.

It can be divided in two parts, 52281 and 45, that added together give a triangular number (52326 = T₃₂₃).

The spelling of 5228145 in words is "five million, two hundred twenty-eight thousand, one hundred forty-five".