425144 has 16 divisors (see below), whose sum is σ = 839400. Its totient is φ = 201312.

The previous prime is 425123. The next prime is 425147. The reversal of 425144 is 441524.

425144 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 425144.

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

425144 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 3 ways as a sum of consecutive naturals, for example, 1247 + ... + 1550.

2⁴²⁵¹⁴⁴ is an apocalyptic number.

It is an amenable number.

425144 is a deficient number, since it is larger than the sum of its proper divisors (414256).

425144 is a wasteful number, since it uses less digits than its factorization.

425144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2822 (or 2818 counting only the distinct ones).

The product of its digits is 640, while the sum is 20.

The square root of 425144 is about 652.0306741251. The cubic root of 425144 is about 75.1932203032.

Adding to 425144 its reverse (441524), we get a palindrome (866668).

It can be divided in two parts, 4 and 25144, that multiplied together give a triangular number (100576 = T₄₄₈).

The spelling of 425144 in words is "four hundred twenty-five thousand, one hundred forty-four".