2256147065 has 8 divisors (see below), whose sum is σ = 2707651968. Its totient is φ = 1804734000.

The previous prime is 2256147043. The next prime is 2256147083. The reversal of 2256147065 is 5607416522.

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

It is a de Polignac number, because none of the positive numbers 2^k-2256147065 is a prime.

It is a super-3 number, since 3×2256147065³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 55424 + ... + 87086.

It is an arithmetic number, because the mean of its divisors is an integer number (338456496).

Almost surely, 2^2256147065 is an apocalyptic number.

It is an amenable number.

2256147065 is a deficient number, since it is larger than the sum of its proper divisors (451504903).

2256147065 is a wasteful number, since it uses less digits than its factorization.

2256147065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45919.

The product of its (nonzero) digits is 100800, while the sum is 38.

The square root of 2256147065 is about 47498.9164613257. The cubic root of 2256147065 is about 1311.5629355526.

The spelling of 2256147065 in words is "two billion, two hundred fifty-six million, one hundred forty-seven thousand, sixty-five".