2145340533 has 8 divisors (see below), whose sum is σ = 3269090368. Its totient is φ = 1225908864.

The previous prime is 2145340531. The next prime is 2145340541. The reversal of 2145340533 is 3350435412.

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

It is not a de Polignac number, because 2145340533 - 2¹ = 2145340531 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2145340533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2145340531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51079516 + ... + 51079557.

It is an arithmetic number, because the mean of its divisors is an integer number (408636296).

Almost surely, 2^2145340533 is an apocalyptic number.

It is an amenable number.

2145340533 is a deficient number, since it is larger than the sum of its proper divisors (1123749835).

2145340533 is a wasteful number, since it uses less digits than its factorization.

2145340533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102159083.

The product of its (nonzero) digits is 21600, while the sum is 30.

The square root of 2145340533 is about 46317.8209008153. The cubic root of 2145340533 is about 1289.7298340544.

Adding to 2145340533 its reverse (3350435412), we get a palindrome (5495775945).

The spelling of 2145340533 in words is "two billion, one hundred forty-five million, three hundred forty thousand, five hundred thirty-three".