143850139 has 12 divisors (see below), whose sum is σ = 148687032. Its totient is φ = 139138560.

The previous prime is 143850131. The next prime is 143850149. The reversal of 143850139 is 931058341.

It is not a de Polignac number, because 143850139 - 2³ = 143850131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143850131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 249019 + ... + 249595.

It is an arithmetic number, because the mean of its divisors is an integer number (12390586).

Almost surely, 2^143850139 is an apocalyptic number.

143850139 is a deficient number, since it is larger than the sum of its proper divisors (4836893).

143850139 is an frugal number, since it uses more digits than its factorization.

143850139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766 (or 705 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 143850139 is about 11993.7541662317. The cubic root of 143850139 is about 523.9663884487.

The spelling of 143850139 in words is "one hundred forty-three million, eight hundred fifty thousand, one hundred thirty-nine".