147287808 has 90 divisors (see below), whose sum is σ = 439247424. Its totient is φ = 49089024.

The previous prime is 147287797. The next prime is 147287809. The reversal of 147287808 is 808782741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147287809) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 17185 + ... + 24287.

Almost surely, 2^147287808 is an apocalyptic number.

147287808 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 147287808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (219623712).

147287808 is an abundant number, since it is smaller than the sum of its proper divisors (291959616).

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

147287808 is an frugal number, since it uses more digits than its factorization.

147287808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7131 (or 7108 counting only the distinct ones).

The product of its (nonzero) digits is 200704, while the sum is 45.

The square root of 147287808 is about 12136.2188510260. The cubic root of 147287808 is about 528.1074161623.

The spelling of 147287808 in words is "one hundred forty-seven million, two hundred eighty-seven thousand, eight hundred eight".