245045133 has 24 divisors (see below), whose sum is σ = 361513152. Its totient is φ = 159911808.

The previous prime is 245045083. The next prime is 245045149. The reversal of 245045133 is 331540542.

245045133 is a `hidden beast` number, since 24 + 504 + 5 + 133 = 666.

It is not a de Polignac number, because 245045133 - 2⁹ = 245044621 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 245045097 and 245045106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245045833) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 82960 + ... + 85862.

It is an arithmetic number, because the mean of its divisors is an integer number (15063048).

Almost surely, 2^245045133 is an apocalyptic number.

It is an amenable number.

245045133 is a deficient number, since it is larger than the sum of its proper divisors (116468019).

245045133 is a wasteful number, since it uses less digits than its factorization.

245045133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3105 (or 3102 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 245045133 is about 15653.9174969079. The cubic root of 245045133 is about 625.7708955877.

Adding to 245045133 its reverse (331540542), we get a palindrome (576585675).

The spelling of 245045133 in words is "two hundred forty-five million, forty-five thousand, one hundred thirty-three".