1995504145 has 8 divisors (see below), whose sum is σ = 2445554304. Its totient is φ = 1562437104.

The previous prime is 1995504143. The next prime is 1995504169. The reversal of 1995504145 is 5414055991.

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

It is a cyclic number.

It is not a de Polignac number, because 1995504145 - 2¹ = 1995504143 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1995504143) 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, 4245519 + ... + 4245988.

It is an arithmetic number, because the mean of its divisors is an integer number (305694288).

Almost surely, 2^1995504145 is an apocalyptic number.

It is an amenable number.

1995504145 is a deficient number, since it is larger than the sum of its proper divisors (450050159).

1995504145 is an equidigital number, since it uses as much as digits as its factorization.

1995504145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8491559.

The product of its (nonzero) digits is 162000, while the sum is 43.

The square root of 1995504145 is about 44671.0660830923. The cubic root of 1995504145 is about 1258.9762712175.

The spelling of 1995504145 in words is "one billion, nine hundred ninety-five million, five hundred four thousand, one hundred forty-five".