454942 has 4 divisors (see below), whose sum is σ = 682416. Its totient is φ = 227470.

The previous prime is 454931. The next prime is 454943. The reversal of 454942 is 249454.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 454942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (454943) by changing a digit.

454942 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 as a sum of consecutive naturals, namely, 113734 + ... + 113737.

It is an arithmetic number, because the mean of its divisors is an integer number (170604).

2⁴⁵⁴⁹⁴² is an apocalyptic number.

454942 is a deficient number, since it is larger than the sum of its proper divisors (227474).

454942 is a wasteful number, since it uses less digits than its factorization.

454942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227473.

The product of its digits is 5760, while the sum is 28.

The square root of 454942 is about 674.4938843311. The cubic root of 454942 is about 76.9104485423.

It can be divided in two parts, 4 and 54942, that added together give a triangular number (54946 = T₃₃₁).

The spelling of 454942 in words is "four hundred fifty-four thousand, nine hundred forty-two".