143441391 has 8 divisors (see below), whose sum is σ = 191351680. Its totient is φ = 95579352.

The previous prime is 143441383. The next prime is 143441437. The reversal of 143441391 is 193144341.

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

It is not a de Polignac number, because 143441391 - 2³ = 143441383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143441891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4435 + ... + 17508.

It is an arithmetic number, because the mean of its divisors is an integer number (23918960).

Almost surely, 2^143441391 is an apocalyptic number.

143441391 is a deficient number, since it is larger than the sum of its proper divisors (47910289).

143441391 is a wasteful number, since it uses less digits than its factorization.

143441391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24125.

The product of its digits is 5184, while the sum is 30.

The square root of 143441391 is about 11976.7020084830. The cubic root of 143441391 is about 523.4696367842.

The spelling of 143441391 in words is "one hundred forty-three million, four hundred forty-one thousand, three hundred ninety-one".