545155169 has 8 divisors (see below), whose sum is σ = 588322560. Its totient is φ = 502163856.

The previous prime is 545155159. The next prime is 545155187. The reversal of 545155169 is 961551545.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-545155169 is a prime.

It is a super-2 number, since 2×545155169² = 594388316574837122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (545155129) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 37547 + ... + 50000.

It is an arithmetic number, because the mean of its divisors is an integer number (73540320).

Almost surely, 2^545155169 is an apocalyptic number.

It is an amenable number.

545155169 is a deficient number, since it is larger than the sum of its proper divisors (43167391).

545155169 is a wasteful number, since it uses less digits than its factorization.

545155169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88039.

The product of its digits is 135000, while the sum is 41.

The square root of 545155169 is about 23348.5581781831. The cubic root of 545155169 is about 816.9084306754.

The spelling of 545155169 in words is "five hundred forty-five million, one hundred fifty-five thousand, one hundred sixty-nine".