457445 has 8 divisors (see below), whose sum is σ = 552960. Its totient is φ = 363280.

The previous prime is 457433. The next prime is 457459. The reversal of 457445 is 544754.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 457445 - 2⁶ = 457381 is a prime.

It is a Curzon number.

It is a nialpdrome in base 9.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 716 + ... + 1194.

It is an arithmetic number, because the mean of its divisors is an integer number (69120).

2⁴⁵⁷⁴⁴⁵ is an apocalyptic number.

It is an amenable number.

457445 is a deficient number, since it is larger than the sum of its proper divisors (95515).

457445 is a wasteful number, since it uses less digits than its factorization.

457445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675.

The product of its digits is 11200, while the sum is 29.

The square root of 457445 is about 676.3468045315. The cubic root of 457445 is about 77.0512392974.

The spelling of 457445 in words is "four hundred fifty-seven thousand, four hundred forty-five".