822740145 has 8 divisors (see below), whose sum is σ = 1316384256. Its totient is φ = 438794736.

The previous prime is 822740089. The next prime is 822740159. The reversal of 822740145 is 541047228.

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

It is not a de Polignac number, because 822740145 - 2¹¹ = 822738097 is a prime.

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, 27424657 + ... + 27424686.

It is an arithmetic number, because the mean of its divisors is an integer number (164548032).

Almost surely, 2^822740145 is an apocalyptic number.

It is an amenable number.

822740145 is a deficient number, since it is larger than the sum of its proper divisors (493644111).

822740145 is a wasteful number, since it uses less digits than its factorization.

822740145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54849351.

The product of its (nonzero) digits is 17920, while the sum is 33.

The square root of 822740145 is about 28683.4472300663. The cubic root of 822740145 is about 937.0315839534.

The spelling of 822740145 in words is "eight hundred twenty-two million, seven hundred forty thousand, one hundred forty-five".