33145441452 has 18 divisors (see below), whose sum is σ = 83784310428. Its totient is φ = 11048480472.

The previous prime is 33145441429. The next prime is 33145441487. The reversal of 33145441452 is 25414454133.

33145441452 is a `hidden beast` number, since 33 + 145 + 441 + 45 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 920706707 = 33145441452 / (3 + 3 + 1 + 4 + 5 + 4 + 4 + 1 + 4 + 5 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 460353318 + ... + 460353389.

Almost surely, 2^33145441452 is an apocalyptic number.

It is an amenable number.

33145441452 is an abundant number, since it is smaller than the sum of its proper divisors (50638868976).

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

33145441452 is a wasteful number, since it uses less digits than its factorization.

33145441452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920706717 (or 920706712 counting only the distinct ones).

The product of its digits is 115200, while the sum is 36.

Adding to 33145441452 its reverse (25414454133), we get a palindrome (58559895585).

The spelling of 33145441452 in words is "thirty-three billion, one hundred forty-five million, four hundred forty-one thousand, four hundred fifty-two".