245306236 has 24 divisors (see below), whose sum is σ = 491774976. Its totient is φ = 104882160.

The previous prime is 245306233. The next prime is 245306249. The reversal of 245306236 is 632603542.

It is a happy number.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 245306198 and 245306207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245306233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1905 + ... + 22231.

It is an arithmetic number, because the mean of its divisors is an integer number (20490624).

Almost surely, 2^245306236 is an apocalyptic number.

It is an amenable number.

245306236 is an abundant number, since it is smaller than the sum of its proper divisors (246468740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245306236 is a wasteful number, since it uses less digits than its factorization.

245306236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20769 (or 20767 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 31.

The square root of 245306236 is about 15662.2551377508. The cubic root of 245306236 is about 625.9930759645.

Adding to 245306236 its reverse (632603542), we get a palindrome (877909778).

It can be divided in two parts, 245306 and 236, that added together give a palindrome (245542).

The spelling of 245306236 in words is "two hundred forty-five million, three hundred six thousand, two hundred thirty-six".