146442 has 8 divisors (see below), whose sum is σ = 292896. Its totient is φ = 48812.

The previous prime is 146437. The next prime is 146449. The reversal of 146442 is 244641.

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

146442 is an admirable number.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (146449) by changing a digit.

146442 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 (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12198 + ... + 12209.

It is an arithmetic number, because the mean of its divisors is an integer number (36612).

2¹⁴⁶⁴⁴² is an apocalyptic number.

146442 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.

146442 is a wasteful number, since it uses less digits than its factorization.

146442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24412.

The product of its digits is 768, while the sum is 21.

The square root of 146442 is about 382.6774098376. The cubic root of 146442 is about 52.7094580036.

The spelling of 146442 in words is "one hundred forty-six thousand, four hundred forty-two".