445041133 has 2 divisors, whose sum is σ = 445041134. Its totient is φ = 445041132.

The previous prime is 445041131. The next prime is 445041197. The reversal of 445041133 is 331140544.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 418693444 + 26347689 = 20462^2 + 5133^2 .

It is a cyclic number.

It is not a de Polignac number, because 445041133 - 2¹ = 445041131 is a prime.

It is a super-2 number, since 2×445041133² = 396123220123847378, which contains 22 as substring.

Together with 445041131, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 445041098 and 445041107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (445041131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222520566 + 222520567.

It is an arithmetic number, because the mean of its divisors is an integer number (222520567).

Almost surely, 2^445041133 is an apocalyptic number.

It is an amenable number.

445041133 is a deficient number, since it is larger than the sum of its proper divisors (1).

445041133 is an equidigital number, since it uses as much as digits as its factorization.

445041133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 445041133 is about 21095.9980328023. The cubic root of 445041133 is about 763.4841945914.

Adding to 445041133 its reverse (331140544), we get a palindrome (776181677).

The spelling of 445041133 in words is "four hundred forty-five million, forty-one thousand, one hundred thirty-three".