245464506 has 64 divisors (see below), whose sum is σ = 631176960. Its totient is φ = 70123968.

The previous prime is 245464493. The next prime is 245464517. The reversal of 245464506 is 605464542.

245464506 is a `hidden beast` number, since 2 + 4 + 5 + 4 + 645 + 0 + 6 = 666.

It is a Curzon number.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 26610 + ... + 34626.

It is an arithmetic number, because the mean of its divisors is an integer number (9862140).

Almost surely, 2^245464506 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245464506, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (315588480).

245464506 is an abundant number, since it is smaller than the sum of its proper divisors (385712454).

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

245464506 is an frugal number, since it uses more digits than its factorization.

245464506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8047 (or 8029 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

The square root of 245464506 is about 15667.3069159955. The cubic root of 245464506 is about 626.1276759182.

Adding to 245464506 its sum of digits (36), we get a palindrome (245464542).

The spelling of 245464506 in words is "two hundred forty-five million, four hundred sixty-four thousand, five hundred six".