456545 has 4 divisors (see below), whose sum is σ = 547860. Its totient is φ = 365232.

The previous prime is 456539. The next prime is 456553. The reversal of 456545 is 545654.

456545 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 57121 + 399424 = 239^2 + 632^2 .

It is a cyclic number.

It is not a de Polignac number, because 456545 - 2⁴ = 456529 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45650 + ... + 45659.

It is an arithmetic number, because the mean of its divisors is an integer number (136965).

2⁴⁵⁶⁵⁴⁵ is an apocalyptic number.

It is an amenable number.

456545 is a deficient number, since it is larger than the sum of its proper divisors (91315).

456545 is an equidigital number, since it uses as much as digits as its factorization.

456545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91314.

The product of its digits is 12000, while the sum is 29.

The square root of 456545 is about 675.6811378158. The cubic root of 456545 is about 77.0006746441. Note that the first 3 decimals are identical.

It can be divided in two parts, 456 and 545, that added together give a palindrome (1001).

The spelling of 456545 in words is "four hundred fifty-six thousand, five hundred forty-five".