456445 has 16 divisors (see below), whose sum is σ = 614592. Its totient is φ = 322560.

The previous prime is 456439. The next prime is 456451. The reversal of 456445 is 544654.

It is an interprime number because it is at equal distance from previous prime (456439) and next prime (456451).

It is not a de Polignac number, because 456445 - 2⁹ = 455933 is a prime.

It is a nialpdrome in base 9.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2269 + ... + 2461.

It is an arithmetic number, because the mean of its divisors is an integer number (38412).

2⁴⁵⁶⁴⁴⁵ is an apocalyptic number.

It is an amenable number.

456445 is a deficient number, since it is larger than the sum of its proper divisors (158147).

456445 is a wasteful number, since it uses less digits than its factorization.

456445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252.

The product of its digits is 9600, while the sum is 28.

The square root of 456445 is about 675.6071343614. The cubic root of 456445 is about 76.9950522486.

Subtracting 456445 from its reverse (544654), we obtain a square (88209 = 297²).

The spelling of 456445 in words is "four hundred fifty-six thousand, four hundred forty-five".