147447216 has 100 divisors (see below), whose sum is σ = 487750032. Its totient is φ = 42125184.

The previous prime is 147447203. The next prime is 147447221. The reversal of 147447216 is 612744741.

It is a happy number.

147447216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 946 + ... + 17198.

Almost surely, 2^147447216 is an apocalyptic number.

147447216 is a gapful number since it is divisible by the number (16) 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 147447216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (243875016).

147447216 is an abundant number, since it is smaller than the sum of its proper divisors (340302816).

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

147447216 is a wasteful number, since it uses less digits than its factorization.

147447216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16280 (or 16265 counting only the distinct ones).

The product of its digits is 37632, while the sum is 36.

The square root of 147447216 is about 12142.7845241526. The cubic root of 147447216 is about 528.2978691168.

The spelling of 147447216 in words is "one hundred forty-seven million, four hundred forty-seven thousand, two hundred sixteen".