133312045 has 8 divisors (see below), whose sum is σ = 169384824. Its totient is φ = 100376064.

The previous prime is 133311991. The next prime is 133312051. The reversal of 133312045 is 540213331.

It can be written as a sum of positive squares in 4 ways, for example, as 30614089 + 102697956 = 5533^2 + 10134^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 133312045 - 2¹¹ = 133309997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 784104 + ... + 784273.

It is an arithmetic number, because the mean of its divisors is an integer number (21173103).

Almost surely, 2^133312045 is an apocalyptic number.

It is an amenable number.

133312045 is a deficient number, since it is larger than the sum of its proper divisors (36072779).

133312045 is a wasteful number, since it uses less digits than its factorization.

133312045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1568399.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 133312045 is about 11546.0835351213. The cubic root of 133312045 is about 510.8457643975.

Adding to 133312045 its reverse (540213331), we get a palindrome (673525376).

It can be divided in two parts, 13331 and 2045, that added together give a square (15376 = 124²).

The spelling of 133312045 in words is "one hundred thirty-three million, three hundred twelve thousand, forty-five".