143729047 has 16 divisors (see below), whose sum is σ = 186988032. Its totient is φ = 107125920.

The previous prime is 143729011. The next prime is 143729077. The reversal of 143729047 is 740927341.

It is not a de Polignac number, because 143729047 - 2¹⁵ = 143696279 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 143728997 and 143729015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143729077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38808 + ... + 42349.

It is an arithmetic number, because the mean of its divisors is an integer number (11686752).

Almost surely, 2^143729047 is an apocalyptic number.

143729047 is a deficient number, since it is larger than the sum of its proper divisors (43258985).

143729047 is a wasteful number, since it uses less digits than its factorization.

143729047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81198.

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 143729047 is about 11988.7049759346. The cubic root of 143729047 is about 523.8193234776.

The spelling of 143729047 in words is "one hundred forty-three million, seven hundred twenty-nine thousand, forty-seven".