143520564 has 48 divisors (see below), whose sum is σ = 369976320. Its totient is φ = 42937440.

The previous prime is 143520551. The next prime is 143520569. The reversal of 143520564 is 465025341.

143520564 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143520569) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3547 + ... + 17309.

It is an arithmetic number, because the mean of its divisors is an integer number (7707840).

Almost surely, 2^143520564 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 143520564, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184988160).

143520564 is an abundant number, since it is smaller than the sum of its proper divisors (226455756).

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

143520564 is a wasteful number, since it uses less digits than its factorization.

143520564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13860 (or 13858 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 143520564 is about 11980.0068447393. The cubic root of 143520564 is about 523.5659293964.

The spelling of 143520564 in words is "one hundred forty-three million, five hundred twenty thousand, five hundred sixty-four".