456081 has 4 divisors (see below), whose sum is σ = 608112. Its totient is φ = 304052.

The previous prime is 456061. The next prime is 456091. The reversal of 456081 is 180654.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 456081 - 2⁷ = 455953 is a prime.

It is a super-2 number, since 2×456081² = 416019757122, which contains 22 as substring.

It is a D-number.

456081 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (456061) 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 3 ways as a sum of consecutive naturals, for example, 76011 + ... + 76016.

It is an arithmetic number, because the mean of its divisors is an integer number (152028).

2⁴⁵⁶⁰⁸¹ is an apocalyptic number.

It is an amenable number.

456081 is a deficient number, since it is larger than the sum of its proper divisors (152031).

456081 is a wasteful number, since it uses less digits than its factorization.

456081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152030.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 456081 is about 675.3376933061. The cubic root of 456081 is about 76.9745797913.

The spelling of 456081 in words is "four hundred fifty-six thousand, eighty-one".