143966047 has 8 divisors (see below), whose sum is σ = 156153312. Its totient is φ = 132192000.

The previous prime is 143966033. The next prime is 143966071. The reversal of 143966047 is 740669341.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 143966047 - 2¹¹ = 143963999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143966027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102579 + ... + 103972.

It is an arithmetic number, because the mean of its divisors is an integer number (19519164).

Almost surely, 2^143966047 is an apocalyptic number.

143966047 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

143966047 is a deficient number, since it is larger than the sum of its proper divisors (12187265).

143966047 is a wasteful number, since it uses less digits than its factorization.

143966047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206609.

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 143966047 is about 11998.5852082652. The cubic root of 143966047 is about 524.1070802182.

The spelling of 143966047 in words is "one hundred forty-three million, nine hundred sixty-six thousand, forty-seven".