85248645 has 32 divisors (see below), whose sum is σ = 140061312. Its totient is φ = 44259072.

The previous prime is 85248637. The next prime is 85248673. The reversal of 85248645 is 54684258.

It is not a de Polignac number, because 85248645 - 2³ = 85248637 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 85248597 and 85248606.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 124474 + ... + 125156.

It is an arithmetic number, because the mean of its divisors is an integer number (4376916).

Almost surely, 2^85248645 is an apocalyptic number.

It is an amenable number.

85248645 is a deficient number, since it is larger than the sum of its proper divisors (54812667).

85248645 is a wasteful number, since it uses less digits than its factorization.

85248645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 901.

The product of its digits is 307200, while the sum is 42.

The square root of 85248645 is about 9233.0192786542. The cubic root of 85248645 is about 440.1112752310. Note that the first 3 decimals are identical.

The spelling of 85248645 in words is "eighty-five million, two hundred forty-eight thousand, six hundred forty-five".