254785045 has 8 divisors (see below), whose sum is σ = 311511096. Its totient is φ = 199982016.

The previous prime is 254785043. The next prime is 254785049. The reversal of 254785045 is 540587452.

It can be written as a sum of positive squares in 4 ways, for example, as 28793956 + 225991089 = 5366^2 + 15033^2 .

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 254785045 - 2¹ = 254785043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 254784989 and 254785007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254785043) by changing a digit.

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, 480462 + ... + 480991.

It is an arithmetic number, because the mean of its divisors is an integer number (38938887).

Almost surely, 2^254785045 is an apocalyptic number.

It is an amenable number.

254785045 is a deficient number, since it is larger than the sum of its proper divisors (56726051).

254785045 is an equidigital number, since it uses as much as digits as its factorization.

254785045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961511.

The product of its (nonzero) digits is 224000, while the sum is 40.

The square root of 254785045 is about 15961.9875015613. The cubic root of 254785045 is about 633.9543374849.

The spelling of 254785045 in words is "two hundred fifty-four million, seven hundred eighty-five thousand, forty-five".