245423204 has 12 divisors (see below), whose sum is σ = 462528444. Its totient is φ = 113272224.

The previous prime is 245423197. The next prime is 245423219. The reversal of 245423204 is 402324542.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 46895104 + 198528100 = 6848^2 + 14090^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

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 3 ways as a sum of consecutive naturals, for example, 2359787 + ... + 2359890.

It is an arithmetic number, because the mean of its divisors is an integer number (38544037).

Almost surely, 2^245423204 is an apocalyptic number.

It is an amenable number.

245423204 is a deficient number, since it is larger than the sum of its proper divisors (217105240).

245423204 is a wasteful number, since it uses less digits than its factorization.

245423204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4719694 (or 4719692 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 26.

The square root of 245423204 is about 15665.9887654754. The cubic root of 245423204 is about 626.0925564132.

Adding to 245423204 its reverse (402324542), we get a palindrome (647747746).

The spelling of 245423204 in words is "two hundred forty-five million, four hundred twenty-three thousand, two hundred four".