143636049 has 12 divisors (see below), whose sum is σ = 208530036. Its totient is φ = 95270112.

The previous prime is 143636033. The next prime is 143636057. The reversal of 143636049 is 940636341.

143636049 is a `hidden beast` number, since 1 + 43 + 6 + 3 + 604 + 9 = 666.

143636049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 74080449 + 69555600 = 8607^2 + 8340^2 .

It is not a de Polignac number, because 143636049 - 2⁴ = 143636033 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (143636069) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38734 + ... + 42279.

It is an arithmetic number, because the mean of its divisors is an integer number (17377503).

Almost surely, 2^143636049 is an apocalyptic number.

It is an amenable number.

143636049 is a deficient number, since it is larger than the sum of its proper divisors (64893987).

143636049 is a wasteful number, since it uses less digits than its factorization.

143636049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81216 (or 81213 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The square root of 143636049 is about 11984.8257809615. The cubic root of 143636049 is about 523.7063222880.

The spelling of 143636049 in words is "one hundred forty-three million, six hundred thirty-six thousand, forty-nine".