147322947 has 8 divisors (see below), whose sum is σ = 196525840. Its totient is φ = 98167680.

The previous prime is 147322939. The next prime is 147322949. The reversal of 147322947 is 749223741.

147322947 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 147322947 - 2³ = 147322939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (147322949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3922 + ... + 17607.

It is an arithmetic number, because the mean of its divisors is an integer number (24565730).

Almost surely, 2^147322947 is an apocalyptic number.

147322947 is a deficient number, since it is larger than the sum of its proper divisors (49202893).

147322947 is a wasteful number, since it uses less digits than its factorization.

147322947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23813.

The product of its digits is 84672, while the sum is 39.

The square root of 147322947 is about 12137.6664561191. Note that the first 3 decimals coincide. The cubic root of 147322947 is about 528.1494103396.

The spelling of 147322947 in words is "one hundred forty-seven million, three hundred twenty-two thousand, nine hundred forty-seven".