451155 has 16 divisors (see below), whose sum is σ = 760320. Its totient is φ = 227808.

The previous prime is 451109. The next prime is 451159. The reversal of 451155 is 551154.

It is not a de Polignac number, because 451155 - 2⁸ = 450899 is a prime.

It is not an unprimeable number, because it can be changed into a prime (451159) 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, 507 + ... + 1076.

It is an arithmetic number, because the mean of its divisors is an integer number (47520).

2⁴⁵¹¹⁵⁵ is an apocalyptic number.

451155 is a deficient number, since it is larger than the sum of its proper divisors (309165).

451155 is a wasteful number, since it uses less digits than its factorization.

451155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1610.

The product of its digits is 500, while the sum is 21.

The square root of 451155 is about 671.6807277271. The cubic root of 451155 is about 76.6964492565.

Subtracting 451155 from its reverse (551154), we obtain a palindrome (99999).

It can be divided in two parts, 451 and 155, that added together give a palindrome (606).

The spelling of 451155 in words is "four hundred fifty-one thousand, one hundred fifty-five".