254442 has 8 divisors (see below), whose sum is σ = 508896. Its totient is φ = 84812.

The previous prime is 254437. The next prime is 254447. The reversal of 254442 is 244452.

It is an interprime number because it is at equal distance from previous prime (254437) and next prime (254447).

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

254442 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (254447) by changing a digit.

254442 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, 21198 + ... + 21209.

It is an arithmetic number, because the mean of its divisors is an integer number (63612).

2²⁵⁴⁴⁴² is an apocalyptic number.

254442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

254442 is a wasteful number, since it uses less digits than its factorization.

254442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42412.

The product of its digits is 1280, while the sum is 21.

The square root of 254442 is about 504.4224420067. The cubic root of 254442 is about 63.3669688986.

Adding to 254442 its reverse (244452), we get a palindrome (498894).

It can be divided in two parts, 254 and 442, that added together give a palindrome (696).

The spelling of 254442 in words is "two hundred fifty-four thousand, four hundred forty-two".