450142 has 32 divisors (see below), whose sum is σ = 875520. Its totient is φ = 168480.

The previous prime is 450137. The next prime is 450161. The reversal of 450142 is 241054.

It is a congruent number.

It is an unprimeable number.

450142 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 (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5659 + ... + 5737.

It is an arithmetic number, because the mean of its divisors is an integer number (27360).

2⁴⁵⁰¹⁴² is an apocalyptic number.

450142 is a deficient number, since it is larger than the sum of its proper divisors (425378).

450142 is a wasteful number, since it uses less digits than its factorization.

450142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 450142 is about 670.9262254525. The cubic root of 450142 is about 76.6390028316.

Adding to 450142 its reverse (241054), we get a palindrome (691196).

The spelling of 450142 in words is "four hundred fifty thousand, one hundred forty-two".