2145662133 has 32 divisors (see below), whose sum is σ = 2941747200. Its totient is φ = 1390785600.

The previous prime is 2145662131. The next prime is 2145662161. The reversal of 2145662133 is 3312665412.

It is not a de Polignac number, because 2145662133 - 2¹ = 2145662131 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2145662094 and 2145662103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2145662131) 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 31 ways as a sum of consecutive naturals, for example, 5602060 + ... + 5602442.

It is an arithmetic number, because the mean of its divisors is an integer number (91929600).

Almost surely, 2^2145662133 is an apocalyptic number.

It is an amenable number.

2145662133 is a deficient number, since it is larger than the sum of its proper divisors (796085067).

2145662133 is a wasteful number, since it uses less digits than its factorization.

2145662133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769.

The product of its digits is 25920, while the sum is 33.

The square root of 2145662133 is about 46321.2924366322. The cubic root of 2145662133 is about 1289.7942770312.

The spelling of 2145662133 in words is "two billion, one hundred forty-five million, six hundred sixty-two thousand, one hundred thirty-three".