493630145 has 4 divisors (see below), whose sum is σ = 592356180. Its totient is φ = 394904112.

The previous prime is 493630121. The next prime is 493630147. The reversal of 493630145 is 541036394.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 373880896 + 119749249 = 19336^2 + 10943^2 .

It is a cyclic number.

It is not a de Polignac number, because 493630145 - 2¹⁴ = 493613761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (493630147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49363010 + ... + 49363019.

It is an arithmetic number, because the mean of its divisors is an integer number (148089045).

Almost surely, 2^493630145 is an apocalyptic number.

It is an amenable number.

493630145 is a deficient number, since it is larger than the sum of its proper divisors (98726035).

493630145 is an equidigital number, since it uses as much as digits as its factorization.

493630145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98726034.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 493630145 is about 22217.7889313946. The cubic root of 493630145 is about 790.3156058857.

The spelling of 493630145 in words is "four hundred ninety-three million, six hundred thirty thousand, one hundred forty-five".