245133 has 16 divisors (see below), whose sum is σ = 415360. Its totient is φ = 139968.

The previous prime is 245131. The next prime is 245149. The reversal of 245133 is 331542.

It is not a de Polignac number, because 245133 - 2¹ = 245131 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a nialpdrome in base 13.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 245133.

It is not an unprimeable number, because it can be changed into a prime (245131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 460 + ... + 837.

It is an arithmetic number, because the mean of its divisors is an integer number (25960).

2²⁴⁵¹³³ is an apocalyptic number.

It is an amenable number.

245133 is a deficient number, since it is larger than the sum of its proper divisors (170227).

245133 is a wasteful number, since it uses less digits than its factorization.

245133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1313 (or 1307 counting only the distinct ones).

The product of its digits is 360, while the sum is 18.

The square root of 245133 is about 495.1090788907. The cubic root of 245133 is about 62.5845681866.

Adding to 245133 its reverse (331542), we get a palindrome (576675).

It can be divided in two parts, 245 and 133, that added together give a triangular number (378 = T₂₇).

The spelling of 245133 in words is "two hundred forty-five thousand, one hundred thirty-three".