85545156 has 48 divisors (see below), whose sum is σ = 212224320. Its totient is φ = 26819200.

The previous prime is 85545137. The next prime is 85545169. The reversal of 85545156 is 65154558.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58231 + ... + 59681.

It is an arithmetic number, because the mean of its divisors is an integer number (4421340).

Almost surely, 2^85545156 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85545156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106112160).

85545156 is an abundant number, since it is smaller than the sum of its proper divisors (126679164).

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

85545156 is a wasteful number, since it uses less digits than its factorization.

85545156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1509 (or 1473 counting only the distinct ones).

The product of its digits is 120000, while the sum is 39.

The square root of 85545156 is about 9249.0624389719. The cubic root of 85545156 is about 440.6209483456.

The spelling of 85545156 in words is "eighty-five million, five hundred forty-five thousand, one hundred fifty-six".