605142280 has 32 divisors (see below), whose sum is σ = 1362418200. Its totient is φ = 241906176.

The previous prime is 605142221. The next prime is 605142281. The reversal of 605142280 is 82241506.

It can be written as a sum of positive squares in 4 ways, for example, as 580520836 + 24621444 = 24094^2 + 4962^2 .

It is not an unprimeable number, because it can be changed into a prime (605142281) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 78436 + ... + 85804.

Almost surely, 2^605142280 is an apocalyptic number.

It is an amenable number.

605142280 is an abundant number, since it is smaller than the sum of its proper divisors (757275920).

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

605142280 is a wasteful number, since it uses less digits than its factorization.

605142280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9433 (or 9429 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 605142280 is about 24599.6398347618. The cubic root of 605142280 is about 845.8353514529.

Adding to 605142280 its reverse (82241506), we get a palindrome (687383786).

The spelling of 605142280 in words is "six hundred five million, one hundred forty-two thousand, two hundred eighty".