147973329 has 24 divisors (see below), whose sum is σ = 254896512. Its totient is φ = 80879040.

The previous prime is 147973327. The next prime is 147973339. The reversal of 147973329 is 923379741.

It is not a de Polignac number, because 147973329 - 2¹ = 147973327 is a prime.

It is a super-2 number, since 2×147973329² = 43792212190684482, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (147973327) 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 23 ways as a sum of consecutive naturals, for example, 49612 + ... + 52509.

It is an arithmetic number, because the mean of its divisors is an integer number (10620688).

Almost surely, 2^147973329 is an apocalyptic number.

It is an amenable number.

147973329 is a deficient number, since it is larger than the sum of its proper divisors (106923183).

147973329 is a wasteful number, since it uses less digits than its factorization.

147973329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102157 (or 102154 counting only the distinct ones).

The product of its digits is 285768, while the sum is 45.

The square root of 147973329 is about 12164.4288398593. The cubic root of 147973329 is about 528.9254709940.

The spelling of 147973329 in words is "one hundred forty-seven million, nine hundred seventy-three thousand, three hundred twenty-nine".