33145440152 has 16 divisors (see below), whose sum is σ = 67797491400. Its totient is φ = 15066109120.

The previous prime is 33145440151. The next prime is 33145440191. The reversal of 33145440152 is 25104454133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33145440151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188326277 + ... + 188326452.

Almost surely, 2^33145440152 is an apocalyptic number.

It is an amenable number.

33145440152 is an abundant number, since it is smaller than the sum of its proper divisors (34652051248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33145440152 is a wasteful number, since it uses less digits than its factorization.

33145440152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376652746 (or 376652742 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 33145440152 its reverse (25104454133), we get a palindrome (58249894285).

The spelling of 33145440152 in words is "thirty-three billion, one hundred forty-five million, four hundred forty thousand, one hundred fifty-two".