245226765 has 32 divisors (see below), whose sum is σ = 450775296. Its totient is φ = 111513600.

The previous prime is 245226763. The next prime is 245226803. The reversal of 245226765 is 567622542.

It is not a de Polignac number, because 245226765 - 2¹ = 245226763 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245226763) 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 31 ways as a sum of consecutive naturals, for example, 14215 + ... + 26315.

It is an arithmetic number, because the mean of its divisors is an integer number (14086728).

Almost surely, 2^245226765 is an apocalyptic number.

It is an amenable number.

245226765 is a deficient number, since it is larger than the sum of its proper divisors (205548531).

245226765 is a wasteful number, since it uses less digits than its factorization.

245226765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12309.

The product of its digits is 201600, while the sum is 39.

The square root of 245226765 is about 15659.7179093367. The cubic root of 245226765 is about 625.9254684034.

The spelling of 245226765 in words is "two hundred forty-five million, two hundred twenty-six thousand, seven hundred sixty-five".