192145301986 has 8 divisors (see below), whose sum is σ = 314419585104. Its totient is φ = 87338773620.

The previous prime is 192145301977. The next prime is 192145302031. The reversal of 192145301986 is 689103541291.

It is a happy number.

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

It is a super-2 number, since 2×192145301986² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4366938660 + ... + 4366938703.

It is an arithmetic number, because the mean of its divisors is an integer number (39302448138).

Almost surely, 2^192145301986 is an apocalyptic number.

192145301986 is a deficient number, since it is larger than the sum of its proper divisors (122274283118).

192145301986 is a wasteful number, since it uses less digits than its factorization.

192145301986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8733877376.

The product of its (nonzero) digits is 466560, while the sum is 49.

The spelling of 192145301986 in words is "one hundred ninety-two billion, one hundred forty-five million, three hundred one thousand, nine hundred eighty-six".