452142 has 20 divisors (see below), whose sum is σ = 1013496. Its totient is φ = 150660.

The previous prime is 452131. The next prime is 452159. The reversal of 452142 is 241254.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

452142 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 9 ways as a sum of consecutive naturals, for example, 1234 + ... + 1557.

2⁴⁵²¹⁴² is an apocalyptic number.

452142 is an abundant number, since it is smaller than the sum of its proper divisors (561354).

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

452142 is a wasteful number, since it uses less digits than its factorization.

452142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2805 (or 2796 counting only the distinct ones).

The product of its digits is 320, while the sum is 18.

The square root of 452142 is about 672.4150503967. The cubic root of 452142 is about 76.7523385919.

Adding to 452142 its reverse (241254), we get a palindrome (693396).

It can be divided in two parts, 45 and 2142, that added together give a 7-th power (2187 = 3⁷).

The spelling of 452142 in words is "four hundred fifty-two thousand, one hundred forty-two".