133450032144 has 160 divisors (see below), whose sum is σ = 405768029184. Its totient is φ = 37259389440.

The previous prime is 133450032143. The next prime is 133450032151. The reversal of 133450032144 is 441230054331.

It is a super-2 number, since 2×133450032144² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (133450032143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3736837 + ... + 3772379.

Almost surely, 2^133450032144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133450032144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (202884014592).

133450032144 is an abundant number, since it is smaller than the sum of its proper divisors (272317997040).

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

133450032144 is a wasteful number, since it uses less digits than its factorization.

133450032144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36125 (or 36119 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 133450032144 its reverse (441230054331), we get a palindrome (574680086475).

The spelling of 133450032144 in words is "one hundred thirty-three billion, four hundred fifty million, thirty-two thousand, one hundred forty-four".