545020177 has 8 divisors (see below), whose sum is σ = 596567720. Its totient is φ = 494847360.

The previous prime is 545020169. The next prime is 545020199. The reversal of 545020177 is 771020545.

It can be written as a sum of positive squares in 4 ways, for example, as 77841 + 544942336 = 279^2 + 23344^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 545020177 - 2³ = 545020169 is a prime.

It is a super-2 number, since 2×545020177² = 594093986674222658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (545023177) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 342852 + ... + 344437.

It is an arithmetic number, because the mean of its divisors is an integer number (74570965).

Almost surely, 2^545020177 is an apocalyptic number.

It is an amenable number.

545020177 is a deficient number, since it is larger than the sum of its proper divisors (51547543).

545020177 is a wasteful number, since it uses less digits than its factorization.

545020177 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687363.

The product of its (nonzero) digits is 9800, while the sum is 31.

The square root of 545020177 is about 23345.6671997182. The cubic root of 545020177 is about 816.8409971491.

The spelling of 545020177 in words is "five hundred forty-five million, twenty thousand, one hundred seventy-seven".