245855238 has 8 divisors (see below), whose sum is σ = 491710488. Its totient is φ = 81951744.

The previous prime is 245855221. The next prime is 245855263. The reversal of 245855238 is 832558542.

It is a happy number.

245855238 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

245855238 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 245855238.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20487931 + ... + 20487942.

It is an arithmetic number, because the mean of its divisors is an integer number (61463811).

Almost surely, 2^245855238 is an apocalyptic number.

245855238 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

245855238 is a wasteful number, since it uses less digits than its factorization.

245855238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40975878.

The product of its digits is 384000, while the sum is 42.

The square root of 245855238 is about 15679.7716182348. The cubic root of 245855238 is about 626.4597244995.

The spelling of 245855238 in words is "two hundred forty-five million, eight hundred fifty-five thousand, two hundred thirty-eight".