564565146 has 16 divisors (see below), whose sum is σ = 1155389664. Its totient is φ = 183811824.

The previous prime is 564565109. The next prime is 564565147. The reversal of 564565146 is 641565465.

It is a junction number, because it is equal to n+sod(n) for n = 564565098 and 564565107.

It is not an unprimeable number, because it can be changed into a prime (564565147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1093861 + ... + 1094376.

It is an arithmetic number, because the mean of its divisors is an integer number (72211854).

Almost surely, 2^564565146 is an apocalyptic number.

564565146 is an abundant number, since it is smaller than the sum of its proper divisors (590824518).

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

564565146 is a wasteful number, since it uses less digits than its factorization.

564565146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2188285.

The product of its digits is 432000, while the sum is 42.

The square root of 564565146 is about 23760.5796646462. The cubic root of 564565146 is about 826.4907950164.

The spelling of 564565146 in words is "five hundred sixty-four million, five hundred sixty-five thousand, one hundred forty-six".