147643232 has 72 divisors (see below), whose sum is σ = 338444568. Its totient is φ = 63134720.

The previous prime is 147643231. The next prime is 147643247. The reversal of 147643232 is 232346741.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147643231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64703 + ... + 66945.

It is an arithmetic number, because the mean of its divisors is an integer number (4700619).

Almost surely, 2^147643232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 147643232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169222284).

147643232 is an abundant number, since it is smaller than the sum of its proper divisors (190801336).

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

147643232 is a wasteful number, since it uses less digits than its factorization.

147643232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2292 (or 2273 counting only the distinct ones).

The product of its digits is 24192, while the sum is 32.

The square root of 147643232 is about 12150.8531387718. The cubic root of 147643232 is about 528.5318714562.

Adding to 147643232 its reverse (232346741), we get a palindrome (379989973).

The spelling of 147643232 in words is "one hundred forty-seven million, six hundred forty-three thousand, two hundred thirty-two".