5115645 has 24 divisors (see below), whose sum is σ = 8985600. Its totient is φ = 2691936.

The previous prime is 5115619. The next prime is 5115647. The reversal of 5115645 is 5465115.

It is a happy number.

5115645 is a `hidden beast` number, since 5 + 1 + 15 + 645 = 666.

It is not a de Polignac number, because 5115645 - 2⁹ = 5115133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5115647) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2836 + ... + 4274.

It is an arithmetic number, because the mean of its divisors is an integer number (374400).

Almost surely, 2^5115645 is an apocalyptic number.

It is an amenable number.

5115645 is a deficient number, since it is larger than the sum of its proper divisors (3869955).

5115645 is a wasteful number, since it uses less digits than its factorization.

5115645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1529 (or 1526 counting only the distinct ones).

The product of its digits is 3000, while the sum is 27.

The square root of 5115645 is about 2261.7791669392. The cubic root of 5115645 is about 172.3058938246.

The spelling of 5115645 in words is "five million, one hundred fifteen thousand, six hundred forty-five".