143381005 has 8 divisors (see below), whose sum is σ = 174625632. Its totient is φ = 112992528.

The previous prime is 143381003. The next prime is 143381039. The reversal of 143381005 is 500183341.

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 143381005 - 2¹ = 143381003 is a prime.

It is a super-2 number, since 2×143381005² = 41116225189620050, 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 (143381003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213667 + ... + 214336.

It is an arithmetic number, because the mean of its divisors is an integer number (21828204).

Almost surely, 2^143381005 is an apocalyptic number.

It is an amenable number.

143381005 is a deficient number, since it is larger than the sum of its proper divisors (31244627).

143381005 is an equidigital number, since it uses as much as digits as its factorization.

143381005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428075.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 143381005 is about 11974.1807652966. The cubic root of 143381005 is about 523.3961696720.

The spelling of 143381005 in words is "one hundred forty-three million, three hundred eighty-one thousand, five".