4615145 has 4 divisors (see below), whose sum is σ = 5538180. Its totient is φ = 3692112.

The previous prime is 4615141. The next prime is 4615153. The reversal of 4615145 is 5415164.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1125721 + 3489424 = 1061^2 + 1868^2 .

It is a cyclic number.

It is not a de Polignac number, because 4615145 - 2² = 4615141 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4615141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 461510 + ... + 461519.

It is an arithmetic number, because the mean of its divisors is an integer number (1384545).

Almost surely, 2^4615145 is an apocalyptic number.

It is an amenable number.

4615145 is a deficient number, since it is larger than the sum of its proper divisors (923035).

4615145 is an equidigital number, since it uses as much as digits as its factorization.

4615145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 923034.

The product of its digits is 2400, while the sum is 26.

The square root of 4615145 is about 2148.2888539486. The cubic root of 4615145 is about 166.4926695243.

The spelling of 4615145 in words is "four million, six hundred fifteen thousand, one hundred forty-five".