245839115 has 4 divisors (see below), whose sum is σ = 295006944. Its totient is φ = 196671288.

The previous prime is 245839109. The next prime is 245839129. The reversal of 245839115 is 511938542.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 245839115 - 2⁶ = 245839051 is a prime.

It is a Duffinian 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, 24583907 + ... + 24583916.

It is an arithmetic number, because the mean of its divisors is an integer number (73751736).

Almost surely, 2^245839115 is an apocalyptic number.

245839115 is a deficient number, since it is larger than the sum of its proper divisors (49167829).

245839115 is an equidigital number, since it uses as much as digits as its factorization.

245839115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49167828.

The product of its digits is 43200, while the sum is 38.

The square root of 245839115 is about 15679.2574760414. The cubic root of 245839115 is about 626.4460299490.

The spelling of 245839115 in words is "two hundred forty-five million, eight hundred thirty-nine thousand, one hundred fifteen".