133241345 has 8 divisors (see below), whose sum is σ = 160039464. Its totient is φ = 106493184.

The previous prime is 133241333. The next prime is 133241363. The reversal of 133241345 is 543142331.

It can be written as a sum of positive squares in 4 ways, for example, as 7711729 + 125529616 = 2777^2 + 11204^2 .

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 133241345 - 2⁸ = 133241089 is a prime.

It is a Duffinian 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, 6344 + ... + 17513.

It is an arithmetic number, because the mean of its divisors is an integer number (20004933).

Almost surely, 2^133241345 is an apocalyptic number.

It is an amenable number.

133241345 is a deficient number, since it is larger than the sum of its proper divisors (26798119).

133241345 is a wasteful number, since it uses less digits than its factorization.

133241345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24979.

The product of its digits is 4320, while the sum is 26.

The square root of 133241345 is about 11543.0214848626. The cubic root of 133241345 is about 510.7554420212.

Adding to 133241345 its reverse (543142331), we get a palindrome (676383676).

The spelling of 133241345 in words is "one hundred thirty-three million, two hundred forty-one thousand, three hundred forty-five".