536143645 has 4 divisors (see below), whose sum is σ = 643372380. Its totient is φ = 428914912.

The previous prime is 536143627. The next prime is 536143669. The reversal of 536143645 is 546341635.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 426752964 + 109390681 = 20658^2 + 10459^2 .

It is a cyclic number.

It is not a de Polignac number, because 536143645 - 2⁵ = 536143613 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53614360 + ... + 53614369.

It is an arithmetic number, because the mean of its divisors is an integer number (160843095).

Almost surely, 2^536143645 is an apocalyptic number.

It is an amenable number.

536143645 is a deficient number, since it is larger than the sum of its proper divisors (107228735).

536143645 is a wasteful number, since it uses less digits than its factorization.

536143645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107228734.

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

The square root of 536143645 is about 23154.7758572611. The cubic root of 536143645 is about 812.3821784183.

The spelling of 536143645 in words is "five hundred thirty-six million, one hundred forty-three thousand, six hundred forty-five".