425142 has 16 divisors (see below), whose sum is σ = 944880. Its totient is φ = 141696.

The previous prime is 425123. The next prime is 425147. The reversal of 425142 is 241524.

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

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 425142.

It is not an unprimeable number, because it can be changed into a prime (425147) by changing a digit.

425142 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, 3883 + ... + 3990.

It is an arithmetic number, because the mean of its divisors is an integer number (59055).

2⁴²⁵¹⁴² is an apocalyptic number.

425142 is an abundant number, since it is smaller than the sum of its proper divisors (519738).

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

425142 is a wasteful number, since it uses less digits than its factorization.

425142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7884 (or 7878 counting only the distinct ones).

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

The square root of 425142 is about 652.0291404531. The cubic root of 425142 is about 75.1931023928.

Adding to 425142 its reverse (241524), we get a palindrome (666666).

It can be divided in two parts, 42 and 5142, that added together give a square (5184 = 72²).

The spelling of 425142 in words is "four hundred twenty-five thousand, one hundred forty-two".