605405545 has 8 divisors (see below), whose sum is σ = 726789960. Its totient is φ = 484122240.

The previous prime is 605405533. The next prime is 605405551. The reversal of 605405545 is 545504506.

605405545 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2359296 + 603046249 = 1536^2 + 24557^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 605405545 - 2¹⁵ = 605372777 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 605405545.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11410 + ... + 36619.

It is an arithmetic number, because the mean of its divisors is an integer number (90848745).

Almost surely, 2^605405545 is an apocalyptic number.

It is an amenable number.

605405545 is a deficient number, since it is larger than the sum of its proper divisors (121384415).

605405545 is a wasteful number, since it uses less digits than its factorization.

605405545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50555.

The product of its (nonzero) digits is 60000, while the sum is 34.

The square root of 605405545 is about 24604.9902458830. The cubic root of 605405545 is about 845.9579928917.

The spelling of 605405545 in words is "six hundred five million, four hundred five thousand, five hundred forty-five".