455142 has 16 divisors (see below), whose sum is σ = 940032. Its totient is φ = 146760.

The previous prime is 455123. The next prime is 455149. The reversal of 455142 is 241554.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 455142.

It is not an unprimeable number, because it can be changed into a prime (455149) by changing a digit.

455142 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1038 + ... + 1409.

It is an arithmetic number, because the mean of its divisors is an integer number (58752).

2⁴⁵⁵¹⁴² is an apocalyptic number.

455142 is an abundant number, since it is smaller than the sum of its proper divisors (484890).

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

455142 is a wasteful number, since it uses less digits than its factorization.

455142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2483.

The product of its digits is 800, while the sum is 21.

The square root of 455142 is about 674.6421273535. The cubic root of 455142 is about 76.9217172580.

Adding to 455142 its reverse (241554), we get a palindrome (696696).

The spelling of 455142 in words is "four hundred fifty-five thousand, one hundred forty-two".