320145241 has 12 divisors (see below), whose sum is σ = 366249772. Its totient is φ = 278131968.

The previous prime is 320145233. The next prime is 320145251. The reversal of 320145241 is 142541023.

It can be written as a sum of positive squares in 6 ways, for example, as 1879641 + 318265600 = 1371^2 + 17840^2 .

It is not a de Polignac number, because 320145241 - 2³ = 320145233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320145251) 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 11 ways as a sum of consecutive naturals, for example, 38850 + ... + 46363.

Almost surely, 2^320145241 is an apocalyptic number.

It is an amenable number.

320145241 is a deficient number, since it is larger than the sum of its proper divisors (46104531).

320145241 is a wasteful number, since it uses less digits than its factorization.

320145241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85260 (or 85243 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 320145241 is about 17892.6029688249. The cubic root of 320145241 is about 684.0938457753.

Adding to 320145241 its reverse (142541023), we get a palindrome (462686264).

The spelling of 320145241 in words is "three hundred twenty million, one hundred forty-five thousand, two hundred forty-one".