85188148 has 6 divisors (see below), whose sum is σ = 149079266. Its totient is φ = 42594072.

The previous prime is 85188133. The next prime is 85188151. The reversal of 85188148 is 84188158.

It can be written as a sum of positive squares in only one way, i.e., 72386064 + 12802084 = 8508^2 + 3578^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10648515 + ... + 10648522.

Almost surely, 2^85188148 is an apocalyptic number.

It is an amenable number.

85188148 is a deficient number, since it is larger than the sum of its proper divisors (63891118).

85188148 is a wasteful number, since it uses less digits than its factorization.

85188148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21297041 (or 21297039 counting only the distinct ones).

The product of its digits is 81920, while the sum is 43.

The square root of 85188148 is about 9229.7425749584. The cubic root of 85188148 is about 440.0071417574.

It can be divided in two parts, 851881 and 48, that added together give a square (851929 = 923²).

The spelling of 85188148 in words is "eighty-five million, one hundred eighty-eight thousand, one hundred forty-eight".