236485145 has 8 divisors (see below), whose sum is σ = 305611656. Its totient is φ = 174635136.

The previous prime is 236485141. The next prime is 236485189. The reversal of 236485145 is 541584632.

It can be written as a sum of positive squares in 4 ways, for example, as 12054784 + 224430361 = 3472^2 + 14981^2 .

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

It is not a de Polignac number, because 236485145 - 2² = 236485141 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 236485099 and 236485108.

It is not an unprimeable number, because it can be changed into a prime (236485141) 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, 1819052 + ... + 1819181.

It is an arithmetic number, because the mean of its divisors is an integer number (38201457).

Almost surely, 2^236485145 is an apocalyptic number.

It is an amenable number.

236485145 is a deficient number, since it is larger than the sum of its proper divisors (69126511).

236485145 is a wasteful number, since it uses less digits than its factorization.

236485145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3638251.

The product of its digits is 115200, while the sum is 38.

The square root of 236485145 is about 15378.0735139354. The cubic root of 236485145 is about 618.3978274130.

The spelling of 236485145 in words is "two hundred thirty-six million, four hundred eighty-five thousand, one hundred forty-five".