147218344 has 64 divisors (see below), whose sum is σ = 346752000. Its totient is φ = 58226112.

The previous prime is 147218339. The next prime is 147218347. The reversal of 147218344 is 443812741.

It is a happy number.

147218344 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (147218347) 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, 33609 + ... + 37735.

It is an arithmetic number, because the mean of its divisors is an integer number (5418000).

Almost surely, 2^147218344 is an apocalyptic number.

147218344 is a gapful number since it is divisible by the number (14) 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 147218344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173376000).

147218344 is an abundant number, since it is smaller than the sum of its proper divisors (199533656).

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

147218344 is a wasteful number, since it uses less digits than its factorization.

147218344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4167 (or 4149 counting only the distinct ones).

The product of its digits is 21504, while the sum is 34.

The square root of 147218344 is about 12133.3566666442. The cubic root of 147218344 is about 528.0243809525.

The spelling of 147218344 in words is "one hundred forty-seven million, two hundred eighteen thousand, three hundred forty-four".