458442 has 12 divisors (see below), whose sum is σ = 993330. Its totient is φ = 152808.

The previous prime is 458407. The next prime is 458449. The reversal of 458442 is 244854.

It can be written as a sum of positive squares in only one way, i.e., 335241 + 123201 = 579^2 + 351^2 .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 458442.

It is not an unprimeable number, because it can be changed into a prime (458449) by changing a digit.

458442 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 (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12717 + ... + 12752.

2⁴⁵⁸⁴⁴² is an apocalyptic number.

458442 is an abundant number, since it is smaller than the sum of its proper divisors (534888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

458442 is a wasteful number, since it uses less digits than its factorization.

458442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25477 (or 25474 counting only the distinct ones).

The product of its digits is 5120, while the sum is 27.

The square root of 458442 is about 677.0834512820. The cubic root of 458442 is about 77.1071763269.

It can be divided in two parts, 458 and 442, that added together give a square (900 = 30²).

The spelling of 458442 in words is "four hundred fifty-eight thousand, four hundred forty-two".