147621328 has 20 divisors (see below), whose sum is σ = 286374528. Its totient is φ = 73718240.

The previous prime is 147621323. The next prime is 147621329. The reversal of 147621328 is 823126741.

It is a junction number, because it is equal to n+sod(n) for n = 147621293 and 147621302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147621323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8463 + ... + 19153.

Almost surely, 2^147621328 is an apocalyptic number.

It is an amenable number.

147621328 is a deficient number, since it is larger than the sum of its proper divisors (138753200).

147621328 is a wasteful number, since it uses less digits than its factorization.

147621328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11562 (or 11556 counting only the distinct ones).

The product of its digits is 16128, while the sum is 34.

The square root of 147621328 is about 12149.9517694516. The cubic root of 147621328 is about 528.5057329183.

The spelling of 147621328 in words is "one hundred forty-seven million, six hundred twenty-one thousand, three hundred twenty-eight".