85148180 has 24 divisors (see below), whose sum is σ = 192566472. Its totient is φ = 31439232.

The previous prime is 85148179. The next prime is 85148183. The reversal of 85148180 is 8184158.

It can be written as a sum of positive squares in 4 ways, for example, as 7214596 + 77933584 = 2686^2 + 8828^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 85148180.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85148183) 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, 163487 + ... + 164006.

It is an arithmetic number, because the mean of its divisors is an integer number (8023603).

Almost surely, 2^85148180 is an apocalyptic number.

It is an amenable number.

85148180 is an abundant number, since it is smaller than the sum of its proper divisors (107418292).

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

85148180 is a wasteful number, since it uses less digits than its factorization.

85148180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327515 (or 327513 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 35.

The square root of 85148180 is about 9227.5771467921. The cubic root of 85148180 is about 439.9383177997.

The spelling of 85148180 in words is "eighty-five million, one hundred forty-eight thousand, one hundred eighty".