545114477 has 4 divisors (see below), whose sum is σ = 545169660. Its totient is φ = 545059296.

The previous prime is 545114441. The next prime is 545114497. The reversal of 545114477 is 774411545.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 774411545 = 5 ⋅154882309.

It can be written as a sum of positive squares in 2 ways, for example, as 243953161 + 301161316 = 15619^2 + 17354^2 .

It is a cyclic number.

It is not a de Polignac number, because 545114477 - 2¹⁰ = 545113453 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 545114477.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545114407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8258 + ... + 34035.

It is an arithmetic number, because the mean of its divisors is an integer number (136292415).

Almost surely, 2^545114477 is an apocalyptic number.

It is an amenable number.

545114477 is a deficient number, since it is larger than the sum of its proper divisors (55183).

545114477 is a wasteful number, since it uses less digits than its factorization.

545114477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55182.

The product of its digits is 78400, while the sum is 38.

The square root of 545114477 is about 23347.6867590774. The cubic root of 545114477 is about 816.8881046796. Note that the first 3 decimals are identical.

The spelling of 545114477 in words is "five hundred forty-five million, one hundred fourteen thousand, four hundred seventy-seven".