147185141 has 4 divisors (see below), whose sum is σ = 147223692. Its totient is φ = 147146592.

The previous prime is 147185111. The next prime is 147185147. The reversal of 147185141 is 141581741.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 52200625 + 94984516 = 7225^2 + 9746^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-147185141 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 147185098 and 147185107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147185147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12830 + ... + 21423.

It is an arithmetic number, because the mean of its divisors is an integer number (36805923).

Almost surely, 2^147185141 is an apocalyptic number.

It is an amenable number.

147185141 is a deficient number, since it is larger than the sum of its proper divisors (38551).

147185141 is an equidigital number, since it uses as much as digits as its factorization.

147185141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38550.

The product of its digits is 4480, while the sum is 32.

The square root of 147185141 is about 12131.9883366248. The cubic root of 147185141 is about 527.9846818425.

The spelling of 147185141 in words is "one hundred forty-seven million, one hundred eighty-five thousand, one hundred forty-one".