545382245 has 4 divisors (see below), whose sum is σ = 654458700. Its totient is φ = 436305792.

The previous prime is 545382241. The next prime is 545382281. The reversal of 545382245 is 542283545.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 322238401 + 223143844 = 17951^2 + 14938^2 .

It is a cyclic number.

It is not a de Polignac number, because 545382245 - 2² = 545382241 is a prime.

It is a super-3 number, since 3×545382245³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 545382199 and 545382208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545382241) 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, 54538220 + ... + 54538229.

It is an arithmetic number, because the mean of its divisors is an integer number (163614675).

Almost surely, 2^545382245 is an apocalyptic number.

It is an amenable number.

545382245 is a deficient number, since it is larger than the sum of its proper divisors (109076455).

545382245 is a wasteful number, since it uses less digits than its factorization.

545382245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109076454.

The product of its digits is 192000, while the sum is 38.

The square root of 545382245 is about 23353.4204132928. The cubic root of 545382245 is about 817.0218384778.

The spelling of 545382245 in words is "five hundred forty-five million, three hundred eighty-two thousand, two hundred forty-five".