605145545 has 16 divisors (see below), whose sum is σ = 756034320. Its totient is φ = 464569344.

The previous prime is 605145533. The next prime is 605145551. The reversal of 605145545 is 545541506.

It can be written as a sum of positive squares in 8 ways, for example, as 51437584 + 553707961 = 7172^2 + 23531^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-605145545 is a prime.

It is a super-2 number, since 2×605145545² = 732402261266694050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8900 + ... + 35909.

It is an arithmetic number, because the mean of its divisors is an integer number (47252145).

Almost surely, 2^605145545 is an apocalyptic number.

It is an amenable number.

605145545 is a deficient number, since it is larger than the sum of its proper divisors (150888775).

605145545 is a wasteful number, since it uses less digits than its factorization.

605145545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44924.

The product of its (nonzero) digits is 60000, while the sum is 35.

The square root of 605145545 is about 24599.7061974325. The cubic root of 605145545 is about 845.8368726640.

The spelling of 605145545 in words is "six hundred five million, one hundred forty-five thousand, five hundred forty-five".