245231030 has 32 divisors (see below), whose sum is σ = 486334368. Its totient is φ = 88288000.

The previous prime is 245231009. The next prime is 245231033. The reversal of 245231030 is 30132542.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 245230993 and 245231011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245231033) by changing a digit.

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, 74 + ... + 22146.

It is an arithmetic number, because the mean of its divisors is an integer number (15197949).

Almost surely, 2^245231030 is an apocalyptic number.

245231030 is a deficient number, since it is larger than the sum of its proper divisors (241103338).

245231030 is a wasteful number, since it uses less digits than its factorization.

245231030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22192.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 245231030 is about 15659.8540861657. The cubic root of 245231030 is about 625.9290970947.

Adding to 245231030 its reverse (30132542), we get a palindrome (275363572).

The spelling of 245231030 in words is "two hundred forty-five million, two hundred thirty-one thousand, thirty".