143811379 has 8 divisors (see below), whose sum is σ = 147003120. Its totient is φ = 140644896.

The previous prime is 143811359. The next prime is 143811389. The reversal of 143811379 is 973118341.

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

It is a cyclic number.

It is not a de Polignac number, because 143811379 - 2¹⁵ = 143778611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143811329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5437 + ... + 17809.

It is an arithmetic number, because the mean of its divisors is an integer number (18375390).

Almost surely, 2^143811379 is an apocalyptic number.

143811379 is a deficient number, since it is larger than the sum of its proper divisors (3191741).

143811379 is a wasteful number, since it uses less digits than its factorization.

143811379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12629.

The product of its digits is 18144, while the sum is 37.

The square root of 143811379 is about 11992.1382163482. The cubic root of 143811379 is about 523.9193238168.

The spelling of 143811379 in words is "one hundred forty-three million, eight hundred eleven thousand, three hundred seventy-nine".