5145245 has 12 divisors (see below), whose sum is σ = 7182684. Its totient is φ = 3528000.

The previous prime is 5145233. The next prime is 5145263. The reversal of 5145245 is 5425415.

5145245 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1466521 + 3678724 = 1211^2 + 1918^2 .

It is not a de Polignac number, because 5145245 - 2⁸ = 5144989 is a prime.

It is a super-2 number, since 2×5145245² = 52947092220050, 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 11 ways as a sum of consecutive naturals, for example, 10256 + ... + 10745.

It is an arithmetic number, because the mean of its divisors is an integer number (598557).

Almost surely, 2^5145245 is an apocalyptic number.

It is an amenable number.

5145245 is a deficient number, since it is larger than the sum of its proper divisors (2037439).

5145245 is a wasteful number, since it uses less digits than its factorization.

5145245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21020 (or 21013 counting only the distinct ones).

The product of its digits is 4000, while the sum is 26.

The square root of 5145245 is about 2268.3132499723. The cubic root of 5145245 is about 172.6375853953.

The spelling of 5145245 in words is "five million, one hundred forty-five thousand, two hundred forty-five".