245849855 has 4 divisors (see below), whose sum is σ = 295019832. Its totient is φ = 196679880.

The previous prime is 245849843. The next prime is 245849887. The reversal of 245849855 is 558948542.

It is a happy number.

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

It is not a de Polignac number, because 245849855 - 2²² = 241655551 is a prime.

It is a Duffinian number.

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, 24584981 + ... + 24584990.

It is an arithmetic number, because the mean of its divisors is an integer number (73754958).

Almost surely, 2^245849855 is an apocalyptic number.

245849855 is a deficient number, since it is larger than the sum of its proper divisors (49169977).

245849855 is an equidigital number, since it uses as much as digits as its factorization.

245849855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49169976.

The product of its digits is 2304000, while the sum is 50.

The square root of 245849855 is about 15679.5999630093. The cubic root of 245849855 is about 626.4551523546.

The spelling of 245849855 in words is "two hundred forty-five million, eight hundred forty-nine thousand, eight hundred fifty-five".