494469145 has 8 divisors (see below), whose sum is σ = 597143304. Its totient is φ = 393055104.

The previous prime is 494469049. The next prime is 494469197. The reversal of 494469145 is 541964494.

It can be written as a sum of positive squares in 4 ways, for example, as 1140624 + 493328521 = 1068^2 + 22211^2 .

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 494469145 - 2¹¹ = 494467097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 494469095 and 494469104.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 314164 + ... + 315733.

It is an arithmetic number, because the mean of its divisors is an integer number (74642913).

Almost surely, 2^494469145 is an apocalyptic number.

It is an amenable number.

494469145 is a deficient number, since it is larger than the sum of its proper divisors (102674159).

494469145 is a wasteful number, since it uses less digits than its factorization.

494469145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630059.

The product of its digits is 622080, while the sum is 46.

The square root of 494469145 is about 22236.6621820812. The cubic root of 494469145 is about 790.7631065693.

The spelling of 494469145 in words is "four hundred ninety-four million, four hundred sixty-nine thousand, one hundred forty-five".