143482381 has 8 divisors (see below), whose sum is σ = 165081600. Its totient is φ = 122158608.

The previous prime is 143482373. The next prime is 143482403. The reversal of 143482381 is 183284341.

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 143482381 - 2³ = 143482373 is a prime.

It is a super-2 number, since 2×143482381² = 41174387314858322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143482301) 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, 67741 + ... + 69826.

It is an arithmetic number, because the mean of its divisors is an integer number (20635200).

Almost surely, 2^143482381 is an apocalyptic number.

It is an amenable number.

143482381 is a deficient number, since it is larger than the sum of its proper divisors (21599219).

143482381 is a wasteful number, since it uses less digits than its factorization.

143482381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137723.

The product of its digits is 18432, while the sum is 34.

The square root of 143482381 is about 11978.4131252850. The cubic root of 143482381 is about 523.5194944920.

The spelling of 143482381 in words is "one hundred forty-three million, four hundred eighty-two thousand, three hundred eighty-one".