85445072546 has 32 divisors (see below), whose sum is σ = 138387761280. Its totient is φ = 39421446400.

The previous prime is 85445072521. The next prime is 85445072561. The reversal of 85445072546 is 64527054458.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 85445072494 and 85445072503.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 333236 + ... + 530976.

It is an arithmetic number, because the mean of its divisors is an integer number (4324617540).

Almost surely, 2^85445072546 is an apocalyptic number.

85445072546 is a deficient number, since it is larger than the sum of its proper divisors (52942688734).

85445072546 is a wasteful number, since it uses less digits than its factorization.

85445072546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198010.

The product of its (nonzero) digits is 5376000, while the sum is 50.

The spelling of 85445072546 in words is "eighty-five billion, four hundred forty-five million, seventy-two thousand, five hundred forty-six".