245855239 has 8 divisors (see below), whose sum is σ = 281141280. Its totient is φ = 210610176.

The previous prime is 245855221. The next prime is 245855263. The reversal of 245855239 is 932558542.

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

It is not a de Polignac number, because 245855239 - 2⁷ = 245855111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 245855195 and 245855204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245855219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3927 + ... + 22519.

It is an arithmetic number, because the mean of its divisors is an integer number (35142660).

Almost surely, 2^245855239 is an apocalyptic number.

245855239 is a deficient number, since it is larger than the sum of its proper divisors (35286041).

245855239 is a wasteful number, since it uses less digits than its factorization.

245855239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20489.

The product of its digits is 432000, while the sum is 43.

The square root of 245855239 is about 15679.7716501230. The cubic root of 245855239 is about 626.4597253489.

The spelling of 245855239 in words is "two hundred forty-five million, eight hundred fifty-five thousand, two hundred thirty-nine".