85155441 has 8 divisors (see below), whose sum is σ = 129760704. Its totient is φ = 48660240.

The previous prime is 85155379. The next prime is 85155457. The reversal of 85155441 is 14455158.

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

It is not a de Polignac number, because 85155441 - 2⁷ = 85155313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85155041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2027490 + ... + 2027531.

It is an arithmetic number, because the mean of its divisors is an integer number (16220088).

Almost surely, 2^85155441 is an apocalyptic number.

It is an amenable number.

85155441 is a deficient number, since it is larger than the sum of its proper divisors (44605263).

85155441 is a wasteful number, since it uses less digits than its factorization.

85155441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4055031.

The product of its digits is 16000, while the sum is 33.

The square root of 85155441 is about 9227.9705786267. The cubic root of 85155441 is about 439.9508226719.

The spelling of 85155441 in words is "eighty-five million, one hundred fifty-five thousand, four hundred forty-one".