245389455424 has 63 divisors (see below), whose sum is σ = 514079987967. Its totient is φ = 116201443968.

The previous prime is 245389455419. The next prime is 245389455427. The reversal of 245389455424 is 424554983542.

It is a happy number.

The square root of 245389455424 is 495368.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245389455427) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 75294307 + ... + 75297565.

It is an arithmetic number, because the mean of its divisors is an integer number (8159999809).

Almost surely, 2^245389455424 is an apocalyptic number.

245389455424 is the 495368-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245389455424

245389455424 is an abundant number, since it is smaller than the sum of its proper divisors (268690532543).

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

245389455424 is an frugal number, since it uses more digits than its factorization.

245389455424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6568 (or 3280 counting only the distinct ones).

The product of its digits is 27648000, while the sum is 55.

The spelling of 245389455424 in words is "two hundred forty-five billion, three hundred eighty-nine million, four hundred fifty-five thousand, four hundred twenty-four".