85841144 has 8 divisors (see below), whose sum is σ = 160952160. Its totient is φ = 42920568.

The previous prime is 85841117. The next prime is 85841149. The reversal of 85841144 is 44114858.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85841149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5365064 + ... + 5365079.

It is an arithmetic number, because the mean of its divisors is an integer number (20119020).

Almost surely, 2^85841144 is an apocalyptic number.

It is an amenable number.

85841144 is a deficient number, since it is larger than the sum of its proper divisors (75111016).

85841144 is a wasteful number, since it uses less digits than its factorization.

85841144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10730149 (or 10730145 counting only the distinct ones).

The product of its digits is 20480, while the sum is 35.

The square root of 85841144 is about 9265.0495951182. The cubic root of 85841144 is about 441.1285492078.

The spelling of 85841144 in words is "eighty-five million, eight hundred forty-one thousand, one hundred forty-four".