454842 has 16 divisors (see below), whose sum is σ = 1010880. Its totient is φ = 151596.

The previous prime is 454823. The next prime is 454843. The reversal of 454842 is 248454.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (454843) by changing a digit.

454842 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 7 ways as a sum of consecutive naturals, for example, 4158 + ... + 4265.

It is an arithmetic number, because the mean of its divisors is an integer number (63180).

2⁴⁵⁴⁸⁴² is an apocalyptic number.

454842 is an abundant number, since it is smaller than the sum of its proper divisors (556038).

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

454842 is a wasteful number, since it uses less digits than its factorization.

454842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8434 (or 8428 counting only the distinct ones).

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

The square root of 454842 is about 674.4197506005. The cubic root of 454842 is about 76.9048129459.

It can be divided in two parts, 454 and 842, that added together give a 4-th power (1296 = 6⁴).

The spelling of 454842 in words is "four hundred fifty-four thousand, eight hundred forty-two".