245531230 has 16 divisors (see below), whose sum is σ = 505092960. Its totient is φ = 84182112.

The previous prime is 245531213. The next prime is 245531261. The reversal of 245531230 is 32135542.

It is a junction number, because it is equal to n+sod(n) for n = 245531195 and 245531204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1753725 + ... + 1753864.

It is an arithmetic number, because the mean of its divisors is an integer number (31568310).

Almost surely, 2^245531230 is an apocalyptic number.

245531230 is an abundant number, since it is smaller than the sum of its proper divisors (259561730).

245531230 is a wasteful number, since it uses less digits than its factorization.

245531230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3507603.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 245531230 is about 15669.4361736471. The cubic root of 245531230 is about 626.1844036829.

Adding to 245531230 its reverse (32135542), we get a palindrome (277666772).

The spelling of 245531230 in words is "two hundred forty-five million, five hundred thirty-one thousand, two hundred thirty".