4145505 has 32 divisors (see below), whose sum is σ = 8166144. Its totient is φ = 1748736.

The previous prime is 4145503. The next prime is 4145509. The reversal of 4145505 is 5055414.

4145505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4145505 - 2¹ = 4145503 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4145503) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 154 + ... + 2883.

It is an arithmetic number, because the mean of its divisors is an integer number (255192).

Almost surely, 2^4145505 is an apocalyptic number.

It is an amenable number.

4145505 is a deficient number, since it is larger than the sum of its proper divisors (4020639).

4145505 is a wasteful number, since it uses less digits than its factorization.

4145505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3065.

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 4145505 is about 2036.0513254827. The cubic root of 4145505 is about 160.6420167491.

Subtracting 4145505 from its reverse (5055414), we obtain a palindrome (909909).

The spelling of 4145505 in words is "four million, one hundred forty-five thousand, five hundred five".