544502645 has 8 divisors (see below), whose sum is σ = 653554104. Its totient is φ = 435501504.

The previous prime is 544502611. The next prime is 544502657. The reversal of 544502645 is 546205445.

544502645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 141657604 + 402845041 = 11902^2 + 20071^2 .

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 544502645 - 2⁸ = 544502389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17987 + ... + 37583.

It is an arithmetic number, because the mean of its divisors is an integer number (81694263).

Almost surely, 2^544502645 is an apocalyptic number.

It is an amenable number.

544502645 is a deficient number, since it is larger than the sum of its proper divisors (109051459).

544502645 is a wasteful number, since it uses less digits than its factorization.

544502645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25159.

The product of its (nonzero) digits is 96000, while the sum is 35.

The square root of 544502645 is about 23334.5804547671. The cubic root of 544502645 is about 816.5823674382.

The spelling of 544502645 in words is "five hundred forty-four million, five hundred two thousand, six hundred forty-five".