143328081 has 8 divisors (see below), whose sum is σ = 205804480. Its totient is φ = 88201872.

The previous prime is 143328079. The next prime is 143328089. The reversal of 143328081 is 180823341.

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

It is not a de Polignac number, because 143328081 - 2¹ = 143328079 is a prime.

It is a super-2 number, since 2×143328081² = 41085877606285122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143328089) 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, 1837501 + ... + 1837578.

It is an arithmetic number, because the mean of its divisors is an integer number (25725560).

Almost surely, 2^143328081 is an apocalyptic number.

It is an amenable number.

143328081 is a deficient number, since it is larger than the sum of its proper divisors (62476399).

143328081 is a wasteful number, since it uses less digits than its factorization.

143328081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3675095.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 143328081 is about 11971.9706397903. The cubic root of 143328081 is about 523.3317640515.

The spelling of 143328081 in words is "one hundred forty-three million, three hundred twenty-eight thousand, eighty-one".