143842106 has 8 divisors (see below), whose sum is σ = 219834324. Its totient is φ = 70564000.

The previous prime is 143842093. The next prime is 143842109. The reversal of 143842106 is 601248341.

143842106 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 141253225 + 2588881 = 11885^2 + 1609^2 .

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

It is not an unprimeable number, because it can be changed into a prime (143842109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 678395 + ... + 678606.

Almost surely, 2^143842106 is an apocalyptic number.

143842106 is a deficient number, since it is larger than the sum of its proper divisors (75992218).

143842106 is a wasteful number, since it uses less digits than its factorization.

143842106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1357056.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 143842106 is about 11993.4192789213. The cubic root of 143842106 is about 523.9566350105.

The spelling of 143842106 in words is "one hundred forty-three million, eight hundred forty-two thousand, one hundred six".