147231216 has 80 divisors (see below), whose sum is σ = 461041920. Its totient is φ = 44614080.

The previous prime is 147231197. The next prime is 147231241. The reversal of 147231216 is 612132741.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 147231216.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10740 + ... + 20243.

It is an arithmetic number, because the mean of its divisors is an integer number (5763024).

Almost surely, 2^147231216 is an apocalyptic number.

147231216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

147231216 is an abundant number, since it is smaller than the sum of its proper divisors (313810704).

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

147231216 is a wasteful number, since it uses less digits than its factorization.

147231216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31011 (or 30999 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 147231216 is about 12133.8870935904. The cubic root of 147231216 is about 528.0397697317.

Adding to 147231216 its reverse (612132741), we get a palindrome (759363957).

The spelling of 147231216 in words is "one hundred forty-seven million, two hundred thirty-one thousand, two hundred sixteen".