5210145 has 12 divisors (see below), whose sum is σ = 9030996. Its totient is φ = 2778720.

The previous prime is 5210141. The next prime is 5210189. The reversal of 5210145 is 5410125.

5210145 is a `hidden beast` number, since 521 + 0 + 145 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3272481 + 1937664 = 1809^2 + 1392^2 .

It is not a de Polignac number, because 5210145 - 2² = 5210141 is a prime.

It is a super-2 number, since 2×5210145² = 54291221842050, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (5210141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57846 + ... + 57935.

It is an arithmetic number, because the mean of its divisors is an integer number (752583).

Almost surely, 2^5210145 is an apocalyptic number.

It is an amenable number.

5210145 is a deficient number, since it is larger than the sum of its proper divisors (3820851).

5210145 is a wasteful number, since it uses less digits than its factorization.

5210145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115792 (or 115789 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 5210145 is about 2282.5742047084. The cubic root of 5210145 is about 173.3604144899.

The spelling of 5210145 in words is "five million, two hundred ten thousand, one hundred forty-five".