245300004 has 72 divisors (see below), whose sum is σ = 660834720. Its totient is φ = 76453632.

The previous prime is 245299997. The next prime is 245300057. The reversal of 245300004 is 400003542.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 245300004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 98527 + ... + 100985.

It is an arithmetic number, because the mean of its divisors is an integer number (9178260).

Almost surely, 2^245300004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245300004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (330417360).

245300004 is an abundant number, since it is smaller than the sum of its proper divisors (415534716).

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

245300004 is a wasteful number, since it uses less digits than its factorization.

245300004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2649 (or 2644 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 245300004 is about 15662.0561868485. The cubic root of 245300004 is about 625.9877748057.

Adding to 245300004 its reverse (400003542), we get a palindrome (645303546).

The spelling of 245300004 in words is "two hundred forty-five million, three hundred thousand, four".