190223667845 has 8 divisors (see below), whose sum is σ = 229543644960. Its totient is φ = 151328771920.

The previous prime is 190223667841. The next prime is 190223667863. The reversal of 190223667845 is 548766322091.

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

It is not a de Polignac number, because 190223667845 - 2² = 190223667841 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190223667841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106269311 + ... + 106271100.

It is an arithmetic number, because the mean of its divisors is an integer number (28692955620).

It is a 1-persistent number, because it is pandigital, but 2⋅190223667845 = 380447335690 is not.

Almost surely, 2^190223667845 is an apocalyptic number.

It is an amenable number.

190223667845 is a deficient number, since it is larger than the sum of its proper divisors (39319977115).

190223667845 is a wasteful number, since it uses less digits than its factorization.

190223667845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212540595.

The product of its (nonzero) digits is 4354560, while the sum is 53.

The spelling of 190223667845 in words is "one hundred ninety billion, two hundred twenty-three million, six hundred sixty-seven thousand, eight hundred forty-five".