456549643 has 4 divisors (see below), whose sum is σ = 498054168. Its totient is φ = 415045120.

The previous prime is 456549641. The next prime is 456549683. The reversal of 456549643 is 346945654.

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 456549643 - 2¹ = 456549641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 456549593 and 456549602.

It is not an unprimeable number, because it can be changed into a prime (456549641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20752246 + ... + 20752267.

It is an arithmetic number, because the mean of its divisors is an integer number (124513542).

Almost surely, 2^456549643 is an apocalyptic number.

456549643 is a deficient number, since it is larger than the sum of its proper divisors (41504525).

456549643 is a wasteful number, since it uses less digits than its factorization.

456549643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41504524.

The product of its digits is 1555200, while the sum is 46.

The square root of 456549643 is about 21367.0223241330. The cubic root of 456549643 is about 770.0093567199.

The spelling of 456549643 in words is "four hundred fifty-six million, five hundred forty-nine thousand, six hundred forty-three".