245304530420 has 48 divisors (see below), whose sum is σ = 545589708048. Its totient is φ = 92324904960.

The previous prime is 245304530417. The next prime is 245304530473. The reversal of 245304530420 is 24035403542.

245304530420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 12567755236 + 232736775184 = 112106^2 + 482428^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1182824 + ... + 1374656.

It is an arithmetic number, because the mean of its divisors is an integer number (11366452251).

Almost surely, 2^245304530420 is an apocalyptic number.

245304530420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245304530420 is an abundant number, since it is smaller than the sum of its proper divisors (300285177628).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245304530420 is a wasteful number, since it uses less digits than its factorization.

245304530420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195620 (or 195618 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 32.

Adding to 245304530420 its reverse (24035403542), we get a palindrome (269339933962).

The spelling of 245304530420 in words is "two hundred forty-five billion, three hundred four million, five hundred thirty thousand, four hundred twenty".