494736143 has 8 divisors (see below), whose sum is σ = 558323280. Its totient is φ = 434250880.

The previous prime is 494736119. The next prime is 494736149. The reversal of 494736143 is 341637494.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-494736143 is a prime.

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 494736143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494736149) 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, 775130 + ... + 775767.

It is an arithmetic number, because the mean of its divisors is an integer number (69790410).

Almost surely, 2^494736143 is an apocalyptic number.

494736143 is a deficient number, since it is larger than the sum of its proper divisors (63587137).

494736143 is a wasteful number, since it uses less digits than its factorization.

494736143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1550937.

The product of its digits is 217728, while the sum is 41.

The square root of 494736143 is about 22242.6649257682. The cubic root of 494736143 is about 790.9054101419.

It can be divided in two parts, 494 and 736143, that added together give a palindrome (736637).

The spelling of 494736143 in words is "four hundred ninety-four million, seven hundred thirty-six thousand, one hundred forty-three".