143189379 has 12 divisors (see below), whose sum is σ = 207118600. Its totient is φ = 95325984.

The previous prime is 143189357. The next prime is 143189383. The reversal of 143189379 is 973981341.

It is not a de Polignac number, because 143189379 - 2¹² = 143185283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143189309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4114 + ... + 17415.

Almost surely, 2^143189379 is an apocalyptic number.

143189379 is a deficient number, since it is larger than the sum of its proper divisors (63929221).

143189379 is a wasteful number, since it uses less digits than its factorization.

143189379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22274 (or 22271 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The square root of 143189379 is about 11966.1764569974. The cubic root of 143189379 is about 523.1628960270.

The spelling of 143189379 in words is "one hundred forty-three million, one hundred eighty-nine thousand, three hundred seventy-nine".