239085145 has 48 divisors (see below), whose sum is σ = 326132352. Its totient is φ = 168030720.

The previous prime is 239085137. The next prime is 239085149. The reversal of 239085145 is 541580932.

It is not a de Polignac number, because 239085145 - 2³ = 239085137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (239085149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2321164 + ... + 2321266.

It is an arithmetic number, because the mean of its divisors is an integer number (6794424).

Almost surely, 2^239085145 is an apocalyptic number.

It is an amenable number.

239085145 is a deficient number, since it is larger than the sum of its proper divisors (87047207).

239085145 is a wasteful number, since it uses less digits than its factorization.

239085145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242 (or 229 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 239085145 is about 15462.3783746227. The cubic root of 239085145 is about 620.6558659556.

The spelling of 239085145 in words is "two hundred thirty-nine million, eighty-five thousand, one hundred forty-five".