4545115 has 4 divisors (see below), whose sum is σ = 5454144. Its totient is φ = 3636088.

The previous prime is 4545113. The next prime is 4545133. The reversal of 4545115 is 5115454.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4545115 - 2¹ = 4545113 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4545115.

It is not an unprimeable number, because it can be changed into a prime (4545113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 454507 + ... + 454516.

It is an arithmetic number, because the mean of its divisors is an integer number (1363536).

Almost surely, 2^4545115 is an apocalyptic number.

4545115 is a deficient number, since it is larger than the sum of its proper divisors (909029).

4545115 is an equidigital number, since it uses as much as digits as its factorization.

4545115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909028.

The product of its digits is 2000, while the sum is 25.

The square root of 4545115 is about 2131.9275316014. The cubic root of 4545115 is about 165.6462564388.

The spelling of 4545115 in words is "four million, five hundred forty-five thousand, one hundred fifteen".