455145 has 16 divisors (see below), whose sum is σ = 767040. Its totient is φ = 229824.

The previous prime is 455123. The next prime is 455149. The reversal of 455145 is 541554.

455145 is nontrivially palindromic in base 8.

It is not a de Polignac number, because 455145 - 2⁸ = 454889 is a prime.

455145 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 455145.

It is not an unprimeable number, because it can be changed into a prime (455149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 514 + ... + 1083.

It is an arithmetic number, because the mean of its divisors is an integer number (47940).

2⁴⁵⁵¹⁴⁵ is an apocalyptic number.

It is an amenable number.

455145 is a deficient number, since it is larger than the sum of its proper divisors (311895).

455145 is a wasteful number, since it uses less digits than its factorization.

455145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1624.

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

The square root of 455145 is about 674.6443507508. The cubic root of 455145 is about 76.9218862636.

Adding to 455145 its reverse (541554), we get a palindrome (996699).

The spelling of 455145 in words is "four hundred fifty-five thousand, one hundred forty-five".