143775047 has 8 divisors (see below), whose sum is σ = 161566944. Its totient is φ = 126944928.

The previous prime is 143775031. The next prime is 143775053. The reversal of 143775047 is 740577341.

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

It is a cyclic number.

It is not a de Polignac number, because 143775047 - 2⁴ = 143775031 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 143775047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143775077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240128 + ... + 240725.

It is an arithmetic number, because the mean of its divisors is an integer number (20195868).

Almost surely, 2^143775047 is an apocalyptic number.

143775047 is a deficient number, since it is larger than the sum of its proper divisors (17791897).

143775047 is a wasteful number, since it uses less digits than its factorization.

143775047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480889.

The product of its (nonzero) digits is 82320, while the sum is 38.

The square root of 143775047 is about 11990.6232948917. The cubic root of 143775047 is about 523.8751997235.

The spelling of 143775047 in words is "one hundred forty-three million, seven hundred seventy-five thousand, forty-seven".