4511145 has 8 divisors (see below), whose sum is σ = 7217856. Its totient is φ = 2405936.

The previous prime is 4511141. The next prime is 4511149. The reversal of 4511145 is 5411154.

It is an interprime number because it is at equal distance from previous prime (4511141) and next prime (4511149).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4511145 - 2² = 4511141 is a prime.

It is a super-2 number, since 2×4511145² = 40700858422050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4511141) 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 7 ways as a sum of consecutive naturals, for example, 150357 + ... + 150386.

It is an arithmetic number, because the mean of its divisors is an integer number (902232).

Almost surely, 2^4511145 is an apocalyptic number.

It is an amenable number.

4511145 is a deficient number, since it is larger than the sum of its proper divisors (2706711).

4511145 is a wasteful number, since it uses less digits than its factorization.

4511145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300751.

The product of its digits is 400, while the sum is 21.

The square root of 4511145 is about 2123.9456207728. The cubic root of 4511145 is about 165.2325462984.

Adding to 4511145 its reverse (5411154), we get a palindrome (9922299).

Subtracting 4511145 from its reverse (5411154), we obtain a palindrome (900009).

It can be divided in two parts, 4511 and 145, that added together give a triangular number (4656 = T₉₆).

The spelling of 4511145 in words is "four million, five hundred eleven thousand, one hundred forty-five".