545147045 has 8 divisors (see below), whose sum is σ = 658567800. Its totient is φ = 433190080.

The previous prime is 545147023. The next prime is 545147089. The reversal of 545147045 is 540741545.

It can be written as a sum of positive squares in 4 ways, for example, as 2163841 + 542983204 = 1471^2 + 23302^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-545147045 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 545146996 and 545147014.

It is a congruent number.

It is an unprimeable number.

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, 365126 + ... + 366615.

It is an arithmetic number, because the mean of its divisors is an integer number (82320975).

Almost surely, 2^545147045 is an apocalyptic number.

It is an amenable number.

545147045 is a deficient number, since it is larger than the sum of its proper divisors (113420755).

545147045 is a wasteful number, since it uses less digits than its factorization.

545147045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731895.

The product of its (nonzero) digits is 56000, while the sum is 35.

The square root of 545147045 is about 23348.3842053364. The cubic root of 545147045 is about 816.9043727500.

The spelling of 545147045 in words is "five hundred forty-five million, one hundred forty-seven thousand, forty-five".