85041144 has 32 divisors (see below), whose sum is σ = 236226000. Its totient is φ = 28346976.

The previous prime is 85041119. The next prime is 85041193. The reversal of 85041144 is 44114058.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 196639 + ... + 197070.

Almost surely, 2^85041144 is an apocalyptic number.

It is an amenable number.

85041144 is an abundant number, since it is smaller than the sum of its proper divisors (151184856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85041144 is a wasteful number, since it uses less digits than its factorization.

85041144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393724 (or 393714 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 85041144 is about 9221.7755340281. The cubic root of 85041144 is about 439.7538981881.

The spelling of 85041144 in words is "eighty-five million, forty-one thousand, one hundred forty-four".