245330305 has 16 divisors (see below), whose sum is σ = 335124864. Its totient is φ = 170663680.

The previous prime is 245330303. The next prime is 245330341. The reversal of 245330305 is 503033542.

It is a happy number.

It is not a de Polignac number, because 245330305 - 2¹ = 245330303 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 245330305.

It is not an unprimeable number, because it can be changed into a prime (245330303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95704 + ... + 98233.

It is an arithmetic number, because the mean of its divisors is an integer number (20945304).

Almost surely, 2^245330305 is an apocalyptic number.

It is an amenable number.

245330305 is a deficient number, since it is larger than the sum of its proper divisors (89794559).

245330305 is a wasteful number, since it uses less digits than its factorization.

245330305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193976.

The product of its (nonzero) digits is 5400, while the sum is 25.

The square root of 245330305 is about 15663.0234948429. The cubic root of 245330305 is about 626.0135490608.

Adding to 245330305 its reverse (503033542), we get a palindrome (748363847).

The spelling of 245330305 in words is "two hundred forty-five million, three hundred thirty thousand, three hundred five".