285196156 has 48 divisors (see below), whose sum is σ = 619816960. Its totient is φ = 112052160.

The previous prime is 285196151. The next prime is 285196157. The reversal of 285196156 is 651691582.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285196151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7846 + ... + 25138.

Almost surely, 2^285196156 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 285196156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (309908480).

285196156 is an abundant number, since it is smaller than the sum of its proper divisors (334620804).

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

285196156 is a wasteful number, since it uses less digits than its factorization.

285196156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17354 (or 17352 counting only the distinct ones).

The product of its digits is 129600, while the sum is 43.

The square root of 285196156 is about 16887.7516561560. The cubic root of 285196156 is about 658.2353810932.

The spelling of 285196156 in words is "two hundred eighty-five million, one hundred ninety-six thousand, one hundred fifty-six".