4145013 has 20 divisors (see below), whose sum is σ = 6285708. Its totient is φ = 2721600.

The previous prime is 4145003. The next prime is 4145017. The reversal of 4145013 is 3105414.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3017169 + 1127844 = 1737^2 + 1062^2 .

It is not a de Polignac number, because 4145013 - 2⁵ = 4144981 is a prime.

It is a super-2 number, since 2×4145013² = 34362265540338, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4145017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5563 + ... + 6263.

Almost surely, 2^4145013 is an apocalyptic number.

It is an amenable number.

4145013 is a deficient number, since it is larger than the sum of its proper divisors (2140695).

4145013 is an equidigital number, since it uses as much as digits as its factorization.

4145013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786 (or 777 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 4145013 is about 2035.9304997961. The cubic root of 4145013 is about 160.6356613513.

It can be divided in two parts, 41 and 45013, that added together give a palindrome (45054).

The spelling of 4145013 in words is "four million, one hundred forty-five thousand, thirteen".