564420144 has 20 divisors (see below), whose sum is σ = 1458085496. Its totient is φ = 188140032.

The previous prime is 564420139. The next prime is 564420149. The reversal of 564420144 is 441024465.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (564420139) and next prime (564420149).

It is not an unprimeable number, because it can be changed into a prime (564420149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5879329 + ... + 5879424.

Almost surely, 2^564420144 is an apocalyptic number.

It is an amenable number.

564420144 is an abundant number, since it is smaller than the sum of its proper divisors (893665352).

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

564420144 is a wasteful number, since it uses less digits than its factorization.

564420144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11758764 (or 11758758 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

The square root of 564420144 is about 23757.5281542504. The cubic root of 564420144 is about 826.4200307709.

The spelling of 564420144 in words is "five hundred sixty-four million, four hundred twenty thousand, one hundred forty-four".