481145 has 16 divisors (see below), whose sum is σ = 673920. Its totient is φ = 322944.

The previous prime is 481141. The next prime is 481147. The reversal of 481145 is 541184.

It is a cyclic number.

It is not a de Polignac number, because 481145 - 2² = 481141 is a prime.

It is a super-2 number, since 2×481145² = 463001022050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 481145.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 481145.

It is not an unprimeable number, because it can be changed into a prime (481141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1949 + ... + 2181.

It is an arithmetic number, because the mean of its divisors is an integer number (42120).

2⁴⁸¹¹⁴⁵ is an apocalyptic number.

It is an amenable number.

481145 is a deficient number, since it is larger than the sum of its proper divisors (192775).

481145 is a wasteful number, since it uses less digits than its factorization.

481145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304.

The product of its digits is 640, while the sum is 23.

The square root of 481145 is about 693.6461634003. The cubic root of 481145 is about 78.3595606558.

It can be divided in two parts, 481 and 145, that added together give a palindrome (626).

The spelling of 481145 in words is "four hundred eighty-one thousand, one hundred forty-five".