546545645 has 8 divisors (see below), whose sum is σ = 655985304. Its totient is φ = 437149504.

The previous prime is 546545641. The next prime is 546545651.

546545645 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 8444836 + 538100809 = 2906^2 + 23197^2 .

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 546545645 - 2² = 546545641 is a prime.

It is a super-3 number, since 3×546545645³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 546545596 and 546545605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (546545641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32447 + ... + 46323.

It is an arithmetic number, because the mean of its divisors is an integer number (81998163).

Almost surely, 2^546545645 is an apocalyptic number.

It is an amenable number.

546545645 is a deficient number, since it is larger than the sum of its proper divisors (109439659).

546545645 is a wasteful number, since it uses less digits than its factorization.

546545645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21759.

The product of its digits is 1440000, while the sum is 44.

The square root of 546545645 is about 23378.3157006659. The cubic root of 546545645 is about 817.6023781730.

The spelling of 546545645 in words is "five hundred forty-six million, five hundred forty-five thousand, six hundred forty-five".