143564563 has 2 divisors, whose sum is σ = 143564564. Its totient is φ = 143564562.

The previous prime is 143564549. The next prime is 143564633. The reversal of 143564563 is 365465341.

143564563 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143564563 is a prime.

It is a super-2 number, since 2×143564563² = 41221567498761938, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (143504563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71782281 + 71782282.

It is an arithmetic number, because the mean of its divisors is an integer number (71782282).

Almost surely, 2^143564563 is an apocalyptic number.

143564563 is a deficient number, since it is larger than the sum of its proper divisors (1).

143564563 is an equidigital number, since it uses as much as digits as its factorization.

143564563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129600, while the sum is 37.

The square root of 143564563 is about 11981.8430552232. The cubic root of 143564563 is about 523.6194270114.

The spelling of 143564563 in words is "one hundred forty-three million, five hundred sixty-four thousand, five hundred sixty-three".