545161065 has 16 divisors (see below), whose sum is σ = 910182528. Its totient is φ = 278110976.

The previous prime is 545161063. The next prime is 545161069. The reversal of 545161065 is 560161545.

It is a cyclic number.

It is not a de Polignac number, because 545161065 - 2¹ = 545161063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (545161061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 789744 + ... + 790433.

It is an arithmetic number, because the mean of its divisors is an integer number (56886408).

Almost surely, 2^545161065 is an apocalyptic number.

It is an amenable number.

545161065 is a deficient number, since it is larger than the sum of its proper divisors (365021463).

545161065 is a wasteful number, since it uses less digits than its factorization.

545161065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1580208.

The product of its (nonzero) digits is 18000, while the sum is 33.

The square root of 545161065 is about 23348.6844383147. The cubic root of 545161065 is about 816.9113756930.

The spelling of 545161065 in words is "five hundred forty-five million, one hundred sixty-one thousand, sixty-five".