457012 has 12 divisors (see below), whose sum is σ = 813316. Its totient is φ = 224640.

The previous prime is 457003. The next prime is 457013. The reversal of 457012 is 210754.

It can be written as a sum of positive squares in 2 ways, for example, as 13456 + 443556 = 116^2 + 666^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (457013) by changing a digit.

457012 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 693 + ... + 1180.

2⁴⁵⁷⁰¹² is an apocalyptic number.

It is an amenable number.

457012 is a deficient number, since it is larger than the sum of its proper divisors (356304).

457012 is a wasteful number, since it uses less digits than its factorization.

457012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1938 (or 1936 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 457012 is about 676.0266266945. The cubic root of 457012 is about 77.0269203673.

Adding to 457012 its reverse (210754), we get a palindrome (667766).

The spelling of 457012 in words is "four hundred fifty-seven thousand, twelve".