605145655 has 16 divisors (see below), whose sum is σ = 740456640. Its totient is φ = 474688512.

The previous prime is 605145643. The next prime is 605145661. The reversal of 605145655 is 556541506.

It is not a de Polignac number, because 605145655 - 2²⁹ = 68274743 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47142 + ... + 58588.

It is an arithmetic number, because the mean of its divisors is an integer number (46278540).

Almost surely, 2^605145655 is an apocalyptic number.

605145655 is a deficient number, since it is larger than the sum of its proper divisors (135310985).

605145655 is a wasteful number, since it uses less digits than its factorization.

605145655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11658.

The product of its (nonzero) digits is 90000, while the sum is 37.

The square root of 605145655 is about 24599.7084332315. The cubic root of 605145655 is about 845.8369239145.

The spelling of 605145655 in words is "six hundred five million, one hundred forty-five thousand, six hundred fifty-five".