133312323550545 has 40 divisors (see below), whose sum is σ = 239615366767656. Its totient is φ = 70909289443584.

The previous prime is 133312323550537. The next prime is 133312323550547. The reversal of 133312323550545 is 545055323213331.

133312323550545 is a `hidden beast` number, since 1 + 3 + 3 + 3 + 1 + 23 + 2 + 35 + 50 + 545 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 18714613429521 + 114597710121024 = 4326039^2 + 10705032^2 .

It is not a de Polignac number, because 133312323550545 - 2³ = 133312323550537 is a prime.

It is a super-2 number, since 2×133312323550545² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 133312323550545.

It is not an unprimeable number, because it can be changed into a prime (133312323550547) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 441090532 + ... + 441392661.

Almost surely, 2^{133312323550545} is an apocalyptic number.

133312323550545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

133312323550545 is a deficient number, since it is larger than the sum of its proper divisors (106303043217111).

133312323550545 is an equidigital number, since it uses as much as digits as its factorization.

133312323550545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 882483583 (or 882483574 counting only the distinct ones).

The product of its (nonzero) digits is 2430000, while the sum is 45.

Adding to 133312323550545 its reverse (545055323213331), we get a palindrome (678367646763876).

The spelling of 133312323550545 in words is "one hundred thirty-three trillion, three hundred twelve billion, three hundred twenty-three million, five hundred fifty thousand, five hundred forty-five".