494185045 has 4 divisors (see below), whose sum is σ = 593022060. Its totient is φ = 395348032.

The previous prime is 494185037. The next prime is 494185057. The reversal of 494185045 is 540581494.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 540581494 = 2 ⋅270290747.

It can be written as a sum of positive squares in 2 ways, for example, as 344807761 + 149377284 = 18569^2 + 12222^2 .

It is a cyclic number.

It is not a de Polignac number, because 494185045 - 2³ = 494185037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 494184989 and 494185007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49418500 + ... + 49418509.

It is an arithmetic number, because the mean of its divisors is an integer number (148255515).

Almost surely, 2^494185045 is an apocalyptic number.

It is an amenable number.

494185045 is a deficient number, since it is larger than the sum of its proper divisors (98837015).

494185045 is an equidigital number, since it uses as much as digits as its factorization.

494185045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98837014.

The product of its (nonzero) digits is 115200, while the sum is 40.

The square root of 494185045 is about 22230.2731652132. The cubic root of 494185045 is about 790.6116317736.

The spelling of 494185045 in words is "four hundred ninety-four million, one hundred eighty-five thousand, forty-five".