493855142 has 16 divisors (see below), whose sum is σ = 812804112. Its totient is φ = 223180320.

The previous prime is 493855133. The next prime is 493855177. The reversal of 493855142 is 241558394.

It is a self number, because there is not a number n which added to its sum of digits gives 493855142.

It is a congruent number.

It is an unprimeable number.

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, 61073 + ... + 68684.

It is an arithmetic number, because the mean of its divisors is an integer number (50800257).

Almost surely, 2^493855142 is an apocalyptic number.

493855142 is a deficient number, since it is larger than the sum of its proper divisors (318948970).

493855142 is a wasteful number, since it uses less digits than its factorization.

493855142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129943.

The product of its digits is 172800, while the sum is 41.

The square root of 493855142 is about 22222.8517971929. The cubic root of 493855142 is about 790.4356631340.

The spelling of 493855142 in words is "four hundred ninety-three million, eight hundred fifty-five thousand, one hundred forty-two".