143320485 has 32 divisors (see below), whose sum is σ = 285898752. Its totient is φ = 59561280.

The previous prime is 143320469. The next prime is 143320487. The reversal of 143320485 is 584023341.

It is not a de Polignac number, because 143320485 - 2⁴ = 143320469 is a prime.

It is a super-2 number, since 2×143320485² = 41081522841270450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143320487) 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 31 ways as a sum of consecutive naturals, for example, 60889 + ... + 63198.

It is an arithmetic number, because the mean of its divisors is an integer number (8934336).

Almost surely, 2^143320485 is an apocalyptic number.

143320485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

143320485 is a deficient number, since it is larger than the sum of its proper divisors (142578267).

143320485 is a wasteful number, since it uses less digits than its factorization.

143320485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124113.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 143320485 is about 11971.6533945817. The cubic root of 143320485 is about 523.3225188330.

The spelling of 143320485 in words is "one hundred forty-three million, three hundred twenty thousand, four hundred eighty-five".