245623104 has 70 divisors (see below), whose sum is σ = 728119194. Its totient is φ = 81872640.

The previous prime is 245623097. The next prime is 245623121. The reversal of 245623104 is 401326542.

245623104 is a `hidden beast` number, since 24 + 5 + 623 + 10 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 239630400 + 5992704 = 15480^2 + 2448^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

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 9 ways as a sum of consecutive naturals, for example, 18507 + ... + 28874.

Almost surely, 2^245623104 is an apocalyptic number.

245623104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

245623104 is an abundant number, since it is smaller than the sum of its proper divisors (482496090).

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

245623104 is an equidigital number, since it uses as much as digits as its factorization.

245623104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47405 (or 47386 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 245623104 is about 15672.3675301468. The cubic root of 245623104 is about 626.2624967925.

Adding to 245623104 its reverse (401326542), we get a palindrome (646949646).

The spelling of 245623104 in words is "two hundred forty-five million, six hundred twenty-three thousand, one hundred four".