147428163 has 24 divisors (see below), whose sum is σ = 227335680. Its totient is φ = 91793520.

The previous prime is 147428161. The next prime is 147428173. The reversal of 147428163 is 361824741.

147428163 is a `hidden beast` number, since 1 + 474 + 28 + 163 = 666.

It is a Cunningham number, because it is equal to 12142²-1.

It is not a de Polignac number, because 147428163 - 2¹ = 147428161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (147428161) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6070 + ... + 18212.

It is an arithmetic number, because the mean of its divisors is an integer number (9472320).

Almost surely, 2^147428163 is an apocalyptic number.

147428163 is a deficient number, since it is larger than the sum of its proper divisors (79907517).

147428163 is a wasteful number, since it uses less digits than its factorization.

147428163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12239 (or 12236 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 147428163 is about 12141.9999588206. Note that the first 4 decimals coincide. The cubic root of 147428163 is about 528.2751127407.

The spelling of 147428163 in words is "one hundred forty-seven million, four hundred twenty-eight thousand, one hundred sixty-three".