2145532533 has 8 divisors (see below), whose sum is σ = 2862880896. Its totient is φ = 1429269600.

The previous prime is 2145532531. The next prime is 2145532553. The reversal of 2145532533 is 3352355412.

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

It is not a de Polignac number, because 2145532533 - 2¹ = 2145532531 is a prime.

It is a super-2 number, since 2×2145532533² = 9206619700322792178, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2145532494 and 2145532503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2145532531) 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, 266733 + ... + 274658.

It is an arithmetic number, because the mean of its divisors is an integer number (357860112).

Almost surely, 2^2145532533 is an apocalyptic number.

It is an amenable number.

2145532533 is a deficient number, since it is larger than the sum of its proper divisors (717348363).

2145532533 is a wasteful number, since it uses less digits than its factorization.

2145532533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542715.

The product of its digits is 54000, while the sum is 33.

The square root of 2145532533 is about 46319.8934908102. The cubic root of 2145532533 is about 1289.7683082480.

Adding to 2145532533 its reverse (3352355412), we get a palindrome (5497887945).

The spelling of 2145532533 in words is "two billion, one hundred forty-five million, five hundred thirty-two thousand, five hundred thirty-three".