190145229173 has 8 divisors (see below), whose sum is σ = 191124853920. Its totient is φ = 189165750480.

The previous prime is 190145229121. The next prime is 190145229181. The reversal of 190145229173 is 371922541091.

190145229173 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-190145229173 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190145229973) 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 7 ways as a sum of consecutive naturals, for example, 3403838 + ... + 3459248.

It is an arithmetic number, because the mean of its divisors is an integer number (23890606740).

Almost surely, 2^190145229173 is an apocalyptic number.

It is an amenable number.

190145229173 is a deficient number, since it is larger than the sum of its proper divisors (979624747).

190145229173 is a wasteful number, since it uses less digits than its factorization.

190145229173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73027.

The product of its (nonzero) digits is 136080, while the sum is 44.

The spelling of 190145229173 in words is "one hundred ninety billion, one hundred forty-five million, two hundred twenty-nine thousand, one hundred seventy-three".