245321130 has 32 divisors (see below), whose sum is σ = 591231168. Its totient is φ = 65145600.

The previous prime is 245321129. The next prime is 245321143. The reversal of 245321130 is 31123542.

It is a junction number, because it is equal to n+sod(n) for n = 245321097 and 245321106.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 9736 + ... + 24195.

It is an arithmetic number, because the mean of its divisors is an integer number (18475974).

Almost surely, 2^245321130 is an apocalyptic number.

245321130 is an abundant number, since it is smaller than the sum of its proper divisors (345910038).

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

245321130 is a wasteful number, since it uses less digits than its factorization.

245321130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34182.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 245321130 is about 15662.7306048467. The cubic root of 245321130 is about 626.0057449619.

Adding to 245321130 its reverse (31123542), we get a palindrome (276444672).

The spelling of 245321130 in words is "two hundred forty-five million, three hundred twenty-one thousand, one hundred thirty".