457545 has 32 divisors (see below), whose sum is σ = 829440. Its totient is φ = 213440.

The previous prime is 457517. The next prime is 457547. The reversal of 457545 is 545754.

It is not a de Polignac number, because 457545 - 2¹³ = 449353 is a prime.

Its product of digits (14000) is a multiple of the sum of its prime divisors (125).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (457547) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7726 + ... + 7784.

It is an arithmetic number, because the mean of its divisors is an integer number (25920).

2⁴⁵⁷⁵⁴⁵ is an apocalyptic number.

It is an amenable number.

457545 is a deficient number, since it is larger than the sum of its proper divisors (371895).

457545 is a wasteful number, since it uses less digits than its factorization.

457545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125.

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

The square root of 457545 is about 676.4207270627. The cubic root of 457545 is about 77.0568534970.

Subtracting 457545 from its reverse (545754), we obtain a square (88209 = 297²).

The spelling of 457545 in words is "four hundred fifty-seven thousand, five hundred forty-five".