455745 has 16 divisors (see below), whose sum is σ = 761472. Its totient is φ = 232320.

The previous prime is 455737. The next prime is 455761. The reversal of 455745 is 547554.

It is not a de Polignac number, because 455745 - 2³ = 455737 is a prime.

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, 316 + ... + 1005.

It is an arithmetic number, because the mean of its divisors is an integer number (47592).

2⁴⁵⁵⁷⁴⁵ is an apocalyptic number.

It is an amenable number.

455745 is a deficient number, since it is larger than the sum of its proper divisors (305727).

455745 is a wasteful number, since it uses less digits than its factorization.

455745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1352.

The product of its digits is 14000, while the sum is 30.

The square root of 455745 is about 675.0888830369. The cubic root of 455745 is about 76.9556724680.

Subtracting 455745 from its reverse (547554), we obtain a square (91809 = 303²).

The spelling of 455745 in words is "four hundred fifty-five thousand, seven hundred forty-five".