456645043 has 4 divisors (see below), whose sum is σ = 462425440. Its totient is φ = 450864648.

The previous prime is 456645017. The next prime is 456645061. The reversal of 456645043 is 340546654.

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

It is a cyclic number.

It is not a de Polignac number, because 456645043 - 2⁵ = 456645011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 456644993 and 456645011.

It is not an unprimeable number, because it can be changed into a prime (456645643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2890080 + ... + 2890237.

It is an arithmetic number, because the mean of its divisors is an integer number (115606360).

Almost surely, 2^456645043 is an apocalyptic number.

456645043 is a deficient number, since it is larger than the sum of its proper divisors (5780397).

456645043 is an equidigital number, since it uses as much as digits as its factorization.

456645043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5780396.

The product of its (nonzero) digits is 172800, while the sum is 37.

The square root of 456645043 is about 21369.2546196633. The cubic root of 456645043 is about 770.0629863582.

The spelling of 456645043 in words is "four hundred fifty-six million, six hundred forty-five thousand, forty-three".