605142 has 12 divisors (see below), whose sum is σ = 1311180. Its totient is φ = 201708.

The previous prime is 605123. The next prime is 605147. The reversal of 605142 is 241506.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 33619 = 605142 / (6 + 0 + 5 + 1 + 4 + 2).

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 605142.

It is not an unprimeable number, because it can be changed into a prime (605147) by changing a digit.

605142 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 5 ways as a sum of consecutive naturals, for example, 16792 + ... + 16827.

It is an arithmetic number, because the mean of its divisors is an integer number (109265).

2⁶⁰⁵¹⁴² is an apocalyptic number.

605142 is an abundant number, since it is smaller than the sum of its proper divisors (706038).

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

605142 is a wasteful number, since it uses less digits than its factorization.

605142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33627 (or 33624 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 605142 is about 777.9087350069. The cubic root of 605142 is about 84.5835220997.

Adding to 605142 its reverse (241506), we get a palindrome (846648).

It can be divided in two parts, 60514 and 2, that added together give a square (60516 = 246²).

The spelling of 605142 in words is "six hundred five thousand, one hundred forty-two".