245055865 has 8 divisors (see below), whose sum is σ = 295607808. Its totient is φ = 195017520.

The previous prime is 245055859. The next prime is 245055883. The reversal of 245055865 is 568550542.

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

It is not a de Polignac number, because 245055865 - 2⁷ = 245055737 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127347 + ... + 129256.

It is an arithmetic number, because the mean of its divisors is an integer number (36950976).

Almost surely, 2^245055865 is an apocalyptic number.

It is an amenable number.

245055865 is a deficient number, since it is larger than the sum of its proper divisors (50551943).

245055865 is a wasteful number, since it uses less digits than its factorization.

245055865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256799.

The product of its (nonzero) digits is 240000, while the sum is 40.

The square root of 245055865 is about 15654.2602827473. The cubic root of 245055865 is about 625.7800308779.

The spelling of 245055865 in words is "two hundred forty-five million, fifty-five thousand, eight hundred sixty-five".