143942845 has 8 divisors (see below), whose sum is σ = 173214720. Its totient is φ = 114832080.

The previous prime is 143942807. The next prime is 143942849. The reversal of 143942845 is 548249341.

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

It is not a de Polignac number, because 143942845 - 2⁹ = 143942333 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 143942798 and 143942807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143942849) 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, 38301 + ... + 41890.

It is an arithmetic number, because the mean of its divisors is an integer number (21651840).

Almost surely, 2^143942845 is an apocalyptic number.

It is an amenable number.

143942845 is a deficient number, since it is larger than the sum of its proper divisors (29271875).

143942845 is an equidigital number, since it uses as much as digits as its factorization.

143942845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80555.

The product of its digits is 138240, while the sum is 40.

The square root of 143942845 is about 11997.6183053138. The cubic root of 143942845 is about 524.0789231491.

The spelling of 143942845 in words is "one hundred forty-three million, nine hundred forty-two thousand, eight hundred forty-five".