245422530 has 24 divisors (see below), whose sum is σ = 638098812. Its totient is φ = 65445984.

The previous prime is 245422493. The next prime is 245422531. The reversal of 245422530 is 35224542.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 241584849 + 3837681 = 15543^2 + 1959^2 .

It is a junction number, because it is equal to n+sod(n) for n = 245422494 and 245422503.

It is not an unprimeable number, because it can be changed into a prime (245422531) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1363369 + ... + 1363548.

Almost surely, 2^245422530 is an apocalyptic number.

245422530 is an abundant number, since it is smaller than the sum of its proper divisors (392676282).

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

245422530 is a wasteful number, since it uses less digits than its factorization.

245422530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2726930 (or 2726927 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 245422530 is about 15665.9672538915. The cubic root of 245422530 is about 626.0919832716.

It can be divided in two parts, 24542 and 2530, that added together give a palindrome (27072).

The spelling of 245422530 in words is "two hundred forty-five million, four hundred twenty-two thousand, five hundred thirty".