239378144 has 24 divisors (see below), whose sum is σ = 481305888. Its totient is φ = 117141760.

The previous prime is 239378143. The next prime is 239378159. The reversal of 239378144 is 441873932.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (239378141) 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 3 ways as a sum of consecutive naturals, for example, 78077 + ... + 81084.

It is an arithmetic number, because the mean of its divisors is an integer number (20054412).

Almost surely, 2^239378144 is an apocalyptic number.

It is an amenable number.

239378144 is an abundant number, since it is smaller than the sum of its proper divisors (241927744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

239378144 is a wasteful number, since it uses less digits than its factorization.

239378144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159218 (or 159210 counting only the distinct ones).

The product of its digits is 145152, while the sum is 41.

The square root of 239378144 is about 15471.8500509797. The cubic root of 239378144 is about 620.9093005109.

The spelling of 239378144 in words is "two hundred thirty-nine million, three hundred seventy-eight thousand, one hundred forty-four".