133245202345441 has 4 divisors (see below), whose sum is σ = 133249096502532. Its totient is φ = 133241308188352.

The previous prime is 133245202345421. The next prime is 133245202345459. The reversal of 133245202345441 is 144543202542331.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 98859351382416 + 34385850963025 = 9942804^2 + 5863945^2 .

It is a cyclic number.

It is not a de Polignac number, because 133245202345441 - 2⁴³ = 124449109323233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133245202345421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1947027220 + ... + 1947095653.

It is an arithmetic number, because the mean of its divisors is an integer number (33312274125633).

Almost surely, 2^{133245202345441} is an apocalyptic number.

It is an amenable number.

133245202345441 is a deficient number, since it is larger than the sum of its proper divisors (3894157091).

133245202345441 is an equidigital number, since it uses as much as digits as its factorization.

133245202345441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3894157090.

The product of its (nonzero) digits is 1382400, while the sum is 43.

Adding to 133245202345441 its reverse (144543202542331), we get a palindrome (277788404887772).

The spelling of 133245202345441 in words is "one hundred thirty-three trillion, two hundred forty-five billion, two hundred two million, three hundred forty-five thousand, four hundred forty-one".