143494943 has 8 divisors (see below), whose sum is σ = 152545680. Its totient is φ = 134512000.

The previous prime is 143494927. The next prime is 143494951. The reversal of 143494943 is 349494341.

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 143494943 - 2⁴ = 143494927 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 143494943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143494993) 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, 12548 + ... + 21081.

It is an arithmetic number, because the mean of its divisors is an integer number (19068210).

Almost surely, 2^143494943 is an apocalyptic number.

143494943 is a deficient number, since it is larger than the sum of its proper divisors (9050737).

143494943 is a wasteful number, since it uses less digits than its factorization.

143494943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33897.

The product of its digits is 186624, while the sum is 41.

The square root of 143494943 is about 11978.9374737495. The cubic root of 143494943 is about 523.5347722330.

The spelling of 143494943 in words is "one hundred forty-three million, four hundred ninety-four thousand, nine hundred forty-three".