457442 has 8 divisors (see below), whose sum is σ = 689232. Its totient is φ = 227700.

The previous prime is 457433. The next prime is 457459. The reversal of 457442 is 244754.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 317 + ... + 1007.

It is an arithmetic number, because the mean of its divisors is an integer number (86154).

2⁴⁵⁷⁴⁴² is an apocalyptic number.

457442 is a deficient number, since it is larger than the sum of its proper divisors (231790).

457442 is a wasteful number, since it uses less digits than its factorization.

457442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1024.

The product of its digits is 4480, while the sum is 26.

The square root of 457442 is about 676.3445867308. The cubic root of 457442 is about 77.0510708588.

The spelling of 457442 in words is "four hundred fifty-seven thousand, four hundred forty-two".