85457141 has 16 divisors (see below), whose sum is σ = 107237760. Its totient is φ = 66156480.

The previous prime is 85457137. The next prime is 85457153. The reversal of 85457141 is 14175458.

It is a cyclic number.

It is not a de Polignac number, because 85457141 - 2² = 85457137 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85457191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8555 + ... + 15623.

It is an arithmetic number, because the mean of its divisors is an integer number (6702360).

Almost surely, 2^85457141 is an apocalyptic number.

It is an amenable number.

85457141 is a deficient number, since it is larger than the sum of its proper divisors (21780619).

85457141 is a wasteful number, since it uses less digits than its factorization.

85457141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7244.

The product of its digits is 22400, while the sum is 35.

The square root of 85457141 is about 9244.3031646523. The cubic root of 85457141 is about 440.4697823319.

The spelling of 85457141 in words is "eighty-five million, four hundred fifty-seven thousand, one hundred forty-one".