308085045 has 8 divisors (see below), whose sum is σ = 492936096. Its totient is φ = 164312016.

The previous prime is 308085017. The next prime is 308085049. The reversal of 308085045 is 540580803.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 308085045 - 2⁵ = 308085013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 308084997 and 308085015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (308085049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10269487 + ... + 10269516.

It is an arithmetic number, because the mean of its divisors is an integer number (61617012).

Almost surely, 2^308085045 is an apocalyptic number.

It is an amenable number.

308085045 is a deficient number, since it is larger than the sum of its proper divisors (184851051).

308085045 is a wasteful number, since it uses less digits than its factorization.

308085045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20539011.

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 308085045 is about 17552.3515518577. The cubic root of 308085045 is about 675.3934934752.

It can be divided in two parts, 30808 and 5045, that added together give a palindrome (35853).

The spelling of 308085045 in words is "three hundred eight million, eighty-five thousand, forty-five".