605145656 has 16 divisors (see below), whose sum is σ = 1165314840. Its totient is φ = 294395040.

The previous prime is 605145643. The next prime is 605145661. The reversal of 605145656 is 656541506.

It is a congruent number.

It is an unprimeable 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, 1021910 + ... + 1022501.

Almost surely, 2^605145656 is an apocalyptic number.

It is an amenable number.

605145656 is a deficient number, since it is larger than the sum of its proper divisors (560169184).

605145656 is a wasteful number, since it uses less digits than its factorization.

605145656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2044454 (or 2044450 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 38.

The square root of 605145656 is about 24599.7084535569. The cubic root of 605145656 is about 845.8369243804.

The spelling of 605145656 in words is "six hundred five million, one hundred forty-five thousand, six hundred fifty-six".