147381312 has 112 divisors (see below), whose sum is σ = 423988992. Its totient is φ = 44912640.

The previous prime is 147381301. The next prime is 147381319. The reversal of 147381312 is 213183741.

It is a super-2 number, since 2×147381312² = 43442502253682688, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 147381312.

It is not an unprimeable number, because it can be changed into a prime (147381319) 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, 341737 + ... + 342167.

It is an arithmetic number, because the mean of its divisors is an integer number (3785616).

Almost surely, 2^147381312 is an apocalyptic number.

147381312 is a gapful number since it is divisible by the number (12) 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 147381312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211994496).

147381312 is an abundant number, since it is smaller than the sum of its proper divisors (276607680).

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

147381312 is a wasteful number, since it uses less digits than its factorization.

147381312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596 (or 586 counting only the distinct ones).

The product of its digits is 4032, while the sum is 30.

The square root of 147381312 is about 12140.0705105036. The cubic root of 147381312 is about 528.2191468632.

The spelling of 147381312 in words is "one hundred forty-seven million, three hundred eighty-one thousand, three hundred twelve".