145222665827 has 16 divisors (see below), whose sum is σ = 151995063360. Its totient is φ = 138488942592.

The previous prime is 145222665793. The next prime is 145222665871. The reversal of 145222665827 is 728566222541.

145222665827 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 145222665827 - 2³² = 140927698531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145222664827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16617203 + ... + 16625939.

It is an arithmetic number, because the mean of its divisors is an integer number (9499691460).

Almost surely, 2^145222665827 is an apocalyptic number.

145222665827 is a deficient number, since it is larger than the sum of its proper divisors (6772397533).

145222665827 is a wasteful number, since it uses less digits than its factorization.

145222665827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10862.

The product of its digits is 3225600, while the sum is 50.

The spelling of 145222665827 in words is "one hundred forty-five billion, two hundred twenty-two million, six hundred sixty-five thousand, eight hundred twenty-seven".