85236146 has 4 divisors (see below), whose sum is σ = 127854222. Its totient is φ = 42618072.

The previous prime is 85236097. The next prime is 85236149. The reversal of 85236146 is 64163258.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 77176225 + 8059921 = 8785^2 + 2839^2 .

It is not an unprimeable number, because it can be changed into a prime (85236149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21309035 + ... + 21309038.

Almost surely, 2^85236146 is an apocalyptic number.

85236146 is a deficient number, since it is larger than the sum of its proper divisors (42618076).

85236146 is a wasteful number, since it uses less digits than its factorization.

85236146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42618075.

The product of its digits is 34560, while the sum is 35.

The square root of 85236146 is about 9232.3423896647. The cubic root of 85236146 is about 440.0897647436.

The spelling of 85236146 in words is "eighty-five million, two hundred thirty-six thousand, one hundred forty-six".