147145085 has 8 divisors (see below), whose sum is σ = 177030360. Its totient is φ = 117411904.

The previous prime is 147145073. The next prime is 147145087. The reversal of 147145085 is 580541741.

It can be written as a sum of positive squares in 4 ways, for example, as 6461764 + 140683321 = 2542^2 + 11861^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 147145085 - 2⁴ = 147145069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147145087) 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 7 ways as a sum of consecutive naturals, for example, 35882 + ... + 39771.

It is an arithmetic number, because the mean of its divisors is an integer number (22128795).

Almost surely, 2^147145085 is an apocalyptic number.

It is an amenable number.

147145085 is a deficient number, since it is larger than the sum of its proper divisors (29885275).

147145085 is an equidigital number, since it uses as much as digits as its factorization.

147145085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76047.

The product of its (nonzero) digits is 22400, while the sum is 35.

The square root of 147145085 is about 12130.3373819527. The cubic root of 147145085 is about 527.9367810080.

The spelling of 147145085 in words is "one hundred forty-seven million, one hundred forty-five thousand, eighty-five".