845226641 has 8 divisors (see below), whose sum is σ = 980391360. Its totient is φ = 713666448.

The previous prime is 845226637. The next prime is 845226643. The reversal of 845226641 is 146622548.

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

It is a cyclic number.

It is not a de Polignac number, because 845226641 - 2² = 845226637 is a prime.

It is a super-2 number, since 2×845226641² = 1428816149312285762, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 845226595 and 845226604.

It is not an unprimeable number, because it can be changed into a prime (845226643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 900626 + ... + 901563.

It is an arithmetic number, because the mean of its divisors is an integer number (122548920).

Almost surely, 2^845226641 is an apocalyptic number.

It is an amenable number.

845226641 is a deficient number, since it is larger than the sum of its proper divisors (135164719).

845226641 is a wasteful number, since it uses less digits than its factorization.

845226641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1802263.

The product of its digits is 92160, while the sum is 38.

The square root of 845226641 is about 29072.7817898460. The cubic root of 845226641 is about 945.4917109211.

The spelling of 845226641 in words is "eight hundred forty-five million, two hundred twenty-six thousand, six hundred forty-one".