545231445302506 has 8 divisors (see below), whose sum is σ = 817848757080324. Its totient is φ = 272615192942400.

The previous prime is 545231445302449. The next prime is 545231445302543. The reversal of 545231445302506 is 605203544132545.

It can be written as a sum of positive squares in 2 ways, for example, as 497147691582481 + 48083753720025 = 22296809^2 + 6934245^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 545231445302506.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 263566545 + ... + 265627156.

Almost surely, 2^{545231445302506} is an apocalyptic number.

545231445302506 is a deficient number, since it is larger than the sum of its proper divisors (272617311777818).

545231445302506 is a wasteful number, since it uses less digits than its factorization.

545231445302506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529708856.

The product of its (nonzero) digits is 8640000, while the sum is 49.

The spelling of 545231445302506 in words is "five hundred forty-five trillion, two hundred thirty-one billion, four hundred forty-five million, three hundred two thousand, five hundred six".