490733545 has 4 divisors (see below), whose sum is σ = 588880260. Its totient is φ = 392586832.

The previous prime is 490733531. The next prime is 490733549. The reversal of 490733545 is 545337094.

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 69006249 + 421727296 = 8307^2 + 20536^2 .

It is a cyclic number.

It is not a de Polignac number, because 490733545 - 2⁷ = 490733417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 490733498 and 490733507.

It is not an unprimeable number, because it can be changed into a prime (490733549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49073350 + ... + 49073359.

It is an arithmetic number, because the mean of its divisors is an integer number (147220065).

Almost surely, 2^490733545 is an apocalyptic number.

It is an amenable number.

490733545 is a deficient number, since it is larger than the sum of its proper divisors (98146715).

490733545 is an equidigital number, since it uses as much as digits as its factorization.

490733545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98146714.

The product of its (nonzero) digits is 226800, while the sum is 40.

The square root of 490733545 is about 22152.5065173221. The cubic root of 490733545 is about 788.7667265891.

The spelling of 490733545 in words is "four hundred ninety million, seven hundred thirty-three thousand, five hundred forty-five".