190002145227 has 8 divisors (see below), whose sum is σ = 253339975680. Its totient is φ = 126666205800.

The previous prime is 190002145199. The next prime is 190002145241. The reversal of 190002145227 is 722541200091.

190002145227 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 not a de Polignac number, because 190002145227 - 2¹¹ = 190002143179 is a prime.

It is a super-2 number, since 2×190002145227² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (190002645227) 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, 218827 + ... + 654132.

It is an arithmetic number, because the mean of its divisors is an integer number (31667496960).

Almost surely, 2^190002145227 is an apocalyptic number.

190002145227 is a deficient number, since it is larger than the sum of its proper divisors (63337830453).

190002145227 is an equidigital number, since it uses as much as digits as its factorization.

190002145227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 945513.

The product of its (nonzero) digits is 10080, while the sum is 33.

The spelling of 190002145227 in words is "one hundred ninety billion, two million, one hundred forty-five thousand, two hundred twenty-seven".