457345 has 16 divisors (see below), whose sum is σ = 639360. Its totient is φ = 307584.

The previous prime is 457339. The next prime is 457363. The reversal of 457345 is 543754.

It is a cyclic number.

It is not a de Polignac number, because 457345 - 2¹³ = 449153 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, 2466 + ... + 2644.

It is an arithmetic number, because the mean of its divisors is an integer number (39960).

2⁴⁵⁷³⁴⁵ is an apocalyptic number.

It is an amenable number.

457345 is a deficient number, since it is larger than the sum of its proper divisors (182015).

457345 is a wasteful number, since it uses less digits than its factorization.

457345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264.

The product of its digits is 8400, while the sum is 28.

The square root of 457345 is about 676.2728739200. The cubic root of 457345 is about 77.0456242796.

The spelling of 457345 in words is "four hundred fifty-seven thousand, three hundred forty-five".