143083221 has 8 divisors (see below), whose sum is σ = 192041664. Its totient is φ = 94756800.

The previous prime is 143083219. The next prime is 143083223. The reversal of 143083221 is 122380341.

It is an interprime number because it is at equal distance from previous prime (143083219) and next prime (143083223).

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

It is not a de Polignac number, because 143083221 - 2¹ = 143083219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 143083191 and 143083200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143083223) 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, 157476 + ... + 158381.

It is an arithmetic number, because the mean of its divisors is an integer number (24005208).

Almost surely, 2^143083221 is an apocalyptic number.

It is an amenable number.

143083221 is a deficient number, since it is larger than the sum of its proper divisors (48958443).

143083221 is a wasteful number, since it uses less digits than its factorization.

143083221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316011.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 143083221 is about 11961.7398818065. The cubic root of 143083221 is about 523.0335762462.

The spelling of 143083221 in words is "one hundred forty-three million, eighty-three thousand, two hundred twenty-one".