2145081119 has 8 divisors (see below), whose sum is σ = 2152352160. Its totient is φ = 2137820256.

The previous prime is 2145081089. The next prime is 2145081139. The reversal of 2145081119 is 9111805412.

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 2145081119 - 2²⁰ = 2144032543 is a prime.

It is a super-2 number, since 2×2145081119² = 9202746014180584322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2145081139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 804182 + ... + 806844.

It is an arithmetic number, because the mean of its divisors is an integer number (269044020).

Almost surely, 2^2145081119 is an apocalyptic number.

2145081119 is a deficient number, since it is larger than the sum of its proper divisors (7271041).

2145081119 is a wasteful number, since it uses less digits than its factorization.

2145081119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5089.

The product of its (nonzero) digits is 2880, while the sum is 32.

The square root of 2145081119 is about 46315.0204469349. The cubic root of 2145081119 is about 1289.6778473641.

The spelling of 2145081119 in words is "two billion, one hundred forty-five million, eighty-one thousand, one hundred nineteen".