245864472 has 128 divisors (see below), whose sum is σ = 768061440. Its totient is φ = 63959040.

The previous prime is 245864429. The next prime is 245864513. The reversal of 245864472 is 274468542.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

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 31 ways as a sum of consecutive naturals, for example, 87148 + ... + 89924.

It is an arithmetic number, because the mean of its divisors is an integer number (6000480).

Almost surely, 2^245864472 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 245864472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (384030720).

245864472 is an abundant number, since it is smaller than the sum of its proper divisors (522196968).

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

245864472 is a wasteful number, since it uses less digits than its factorization.

245864472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2841 (or 2837 counting only the distinct ones).

The product of its digits is 430080, while the sum is 42.

The square root of 245864472 is about 15680.0660712894. The cubic root of 245864472 is about 626.4675674029.

The spelling of 245864472 in words is "two hundred forty-five million, eight hundred sixty-four thousand, four hundred seventy-two".