245656572 has 48 divisors (see below), whose sum is σ = 664876800. Its totient is φ = 69138432.

The previous prime is 245656561. The next prime is 245656573. The reversal of 245656572 is 275656542.

245656572 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245656573) 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 15 ways as a sum of consecutive naturals, for example, 16197 + ... + 27452.

It is an arithmetic number, because the mean of its divisors is an integer number (13851600).

Almost surely, 2^245656572 is an apocalyptic number.

It is an amenable number.

245656572 is an abundant number, since it is smaller than the sum of its proper divisors (419220228).

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

245656572 is a wasteful number, since it uses less digits than its factorization.

245656572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43730 (or 43728 counting only the distinct ones).

The product of its digits is 504000, while the sum is 42.

The square root of 245656572 is about 15673.4352329028. The cubic root of 245656572 is about 626.2909398298.

The spelling of 245656572 in words is "two hundred forty-five million, six hundred fifty-six thousand, five hundred seventy-two".