201022845 has 8 divisors (see below), whose sum is σ = 321636576. Its totient is φ = 107212176.

The previous prime is 201022823. The next prime is 201022883. The reversal of 201022845 is 548220102.

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

It is not a de Polignac number, because 201022845 - 2⁶ = 201022781 is a prime.

It is a Curzon number.

It is a congruent 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, 6700747 + ... + 6700776.

It is an arithmetic number, because the mean of its divisors is an integer number (40204572).

Almost surely, 2^201022845 is an apocalyptic number.

It is an amenable number.

201022845 is a deficient number, since it is larger than the sum of its proper divisors (120613731).

201022845 is a wasteful number, since it uses less digits than its factorization.

201022845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13401531.

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 201022845 is about 14178.2525368961. The cubic root of 201022845 is about 585.7987919060.

Adding to 201022845 its reverse (548220102), we get a palindrome (749242947).

The spelling of 201022845 in words is "two hundred one million, twenty-two thousand, eight hundred forty-five".