4451145 has 32 divisors (see below), whose sum is σ = 7468032. Its totient is φ = 2261952.

The previous prime is 4451141. The next prime is 4451179. The reversal of 4451145 is 5411544.

It is a happy number.

4451145 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4451145 - 2² = 4451141 is a prime.

It is a super-2 number, since 2×4451145² = 39625383622050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4451141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43164 + ... + 43266.

It is an arithmetic number, because the mean of its divisors is an integer number (233376).

Almost surely, 2^4451145 is an apocalyptic number.

It is an amenable number.

4451145 is a deficient number, since it is larger than the sum of its proper divisors (3016887).

4451145 is a wasteful number, since it uses less digits than its factorization.

4451145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221.

The product of its digits is 1600, while the sum is 24.

The square root of 4451145 is about 2109.7736845453. The cubic root of 4451145 is about 164.4967217560.

Adding to 4451145 its reverse (5411544), we get a palindrome (9862689).

The spelling of 4451145 in words is "four million, four hundred fifty-one thousand, one hundred forty-five".