143141919 has 8 divisors (see below), whose sum is σ = 191675952. Its totient is φ = 95017920.

The previous prime is 143141909. The next prime is 143141939. The reversal of 143141919 is 919141341.

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

It is not a de Polignac number, because 143141919 - 2⁹ = 143141407 is a prime.

It is a super-2 number, since 2×143141919² = 40979217950005122, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 143141919.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143141909) 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 7 ways as a sum of consecutive naturals, for example, 101692 + ... + 103089.

It is an arithmetic number, because the mean of its divisors is an integer number (23959494).

Almost surely, 2^143141919 is an apocalyptic number.

143141919 is a deficient number, since it is larger than the sum of its proper divisors (48534033).

143141919 is a wasteful number, since it uses less digits than its factorization.

143141919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205017.

The product of its digits is 3888, while the sum is 33.

The square root of 143141919 is about 11964.1932030539. The cubic root of 143141919 is about 523.1050890049.

The spelling of 143141919 in words is "one hundred forty-three million, one hundred forty-one thousand, nine hundred nineteen".